Win.Trojan.Agent — PDF malware analysis

Static analysis result for SHA-256 9b77f98182388eed…

MALICIOUS

PDF

12.2 KB
MD5: 02df7b7bf90b5d44864dd21e2126dfed SHA-1: e2b6f0b7c628dd25d1b48bf340654810763961cf SHA-256: 9b77f98182388eedd8e78fea910d7b9b07e02cb1cc06e17b5630a335ef0d2771
106 Risk Score

Malware Insights

Win.Trojan.Agent · confidence 98%

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, which identified it as Win.Trojan.Agent-36281. Heuristics indicate the presence of embedded JavaScript, suggesting an attempt to exploit vulnerabilities within the PDF viewer. The embedded JavaScript is likely responsible for downloading and executing a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0076_000.js
5e1e130e4f436fd366ea3723befbdee08063ca6767fc7bc799349c494b987137		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11381 bytes

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