Win.Trojan.Agent-36281 — PDF malware analysis

Static analysis result for SHA-256 3ea32163ed31da34…

MALICIOUS

PDF

12.4 KB
MD5: a5371b0ba94d736a6490c4fa611c08bc SHA-1: 7ec7380286ec9a9cb570e8d09549d8c7335ce436 SHA-256: 3ea32163ed31da34ebb58af284f9b7928a160ba0ef64b0514a3e53197929d034
106 Risk Score

Malware Insights

Win.Trojan.Agent-36281 · confidence 99%

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The file is identified as a malicious PDF by multiple heuristics, including a high-confidence ML classifier and ClamAV detection. The presence of embedded JavaScript, flagged by PDF_JAVASCRIPT and PDF_JS heuristics, indicates an attempt to execute malicious code. ClamAV specifically identifies the family as Win.Trojan.Agent-36281, suggesting it's a trojan agent.

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
cc3a5335f87a2f9a2bf3caff5d04273bbd0b8174abe28fa4512340a6944b861d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11628 bytes

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