Trojan.Agent.PDFA
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 15,268 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 5 |
| First Seen: | November 18, 2025 |
| Last Seen: | May 31, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.PDFA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan.Agent.PDFA?
Trojan.Agent.PDFA is a type of Trojan horse malware that can infect your computer through various means, such as malicious downloads, infected software, or exploited vulnerabilities. The name "Trojan" refers to the fact that this malware disguises itself as a legitimate program or file, allowing it to bypass security measures and gain unauthorized access to your system. The ".PDFA" suffix may indicate a specific variant or characteristic of the malware, but its exact meaning is not publicly disclosed.
How Trojan.Agent.PDFA Operates
Once installed, Trojan.Agent.PDFA can operate in the background, allowing attackers to remotely access and control your computer. This can lead to a range of malicious activities, including data theft, keylogging, and the installation of additional malware. The malware may also attempt to communicate with its command and control servers, potentially allowing attackers to update or modify the malware's behavior. Trojan.Agent.PDFA can also exploit system vulnerabilities to spread to other computers or devices on the same network.
Symptoms of Infection
The symptoms of a Trojan.Agent.PDFA infection can vary, but common indicators include slow system performance, unexpected pop-ups or ads, and unusual network activity. You may also notice that your computer is behaving erratically, such as crashing or freezing frequently. In some cases, the malware may attempt to disguise itself as a legitimate program or system process, making it difficult to detect. If you suspect that your computer is infected with Trojan.Agent.PDFA, it is essential to take immediate action to remove the malware and prevent further damage.
How to Remove Trojan.Agent.PDFA
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your computer and perform a follow-up scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Agent.PDFA from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and taking proactive measures to protect your computer, you can help prevent future infections and keep your system secure. It is essential to remain vigilant and monitor your system for any suspicious activity, as new malware variants and threats are constantly emerging. By staying informed and taking prompt action, you can help protect your computer and your personal data from the risks associated with Trojan.Agent.PDFA and other types of malware.
Analysis Report
General information
| Family Name: | Trojan.Agent.PDFA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
dd9c82cb05ccd712f43e4fd7cc6c7b8d
SHA1:
5f20f3012d53005cca745e9a7a002974fc9fbe95
SHA256:
1DFC0CD5158929FED63AA525DD52448B0E5515B2CA2BF6498C9304B23D71237E
File Size:
133.19 KB, 133192 bytes
|
|
MD5:
73f41a8513094ff0f6ab3de67273b7a4
SHA1:
305ff03a4684cb1c9676c079b283c9abd364907b
SHA256:
6B0D5A4A63CB91F28078A69BC29C6397F84CA6B497EA09CAEFCD410EB92F388D
File Size:
147.27 KB, 147268 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have security information
- File has TLS information
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is Native application (NOT .NET application)
- File is not packed
Show More
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- No Version Info
- x64
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 94 |
|---|---|
| Potentially Malicious Blocks: | 1 |
| Whitelisted Blocks: | 93 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Downloader.Agent.MN
- Kryptik.BCP
- Kryptik.BTDA
- ReverseShell.FRA
- ReverseShell.PBD
Show More
- Trojan.Agent.Gen.CBC
- Trojan.Agent.Gen.CCU
- Trojan.Agent.Gen.CJK
- Trojan.Agent.Gen.CSU
- Trojan.Kryptik.Gen.EVJ
- Trojan.ShellcodeRunner.Gen.NK
- Trojan.ShellcodeRunner.Gen.PX