Win.Trojan.Agent-36281 — PDF malware analysis

Static analysis result for SHA-256 c1f0291b9d4b36ae…

MALICIOUS

PDF

12.5 KB
MD5: b1c4b45e44ac7a208e127afca5fe9907 SHA-1: 8b4c0348773a7eef2bd858be2523451cb240dcbf SHA-256: c1f0291b9d4b36ae1024a93051116a7ea1a22b25b71f5360e254b9853683f0f8
106 Risk Score

Malware Insights

Win.Trojan.Agent-36281 · confidence 99%

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

The PDF contains embedded JavaScript, flagged by multiple heuristics and a high ML score, indicating malicious intent. ClamAV detection confirms this, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely used to exploit vulnerabilities within the PDF reader to download and execute 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
1e8a4a0ea0d56d2a557aa9b8381d7690c3cfaf039993ebe2c03aebd8bf363e21		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11737 bytes

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