Win.Trojan.Agent — PDF malware analysis

Static analysis result for SHA-256 3d2d487c6fc80e5b…

MALICIOUS

PDF

12.7 KB
MD5: b4090822d5ac7c35f742254974fd280e SHA-1: 5f22a1d155dfbe0bbf60801ca13dd3e7bdca214e SHA-256: 3d2d487c6fc80e5bbefdfa2435ff0dd5ce6d5dade4fa20f3cf7c45ae52968e7f
106 Risk Score

Malware Insights

Win.Trojan.Agent · confidence 98%

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

The file is a PDF with embedded JavaScript, flagged by ML classifiers and ClamAV as malicious (Win.Trojan.Agent-36281). The presence of JavaScript actions and streams indicates an attempt to execute code, likely to download and run a secondary payload. The high confidence is due to the strong ML and AV signals.

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
ecb0d9c316b74001bb32c381f0437bcb66f9b08369c976c5be04276d95f2591c		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11863 bytes

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