Malicious PDF — malware analysis report

Static analysis result for SHA-256 c03a8a5bb9bcbe47…

MALICIOUS

PDF

12.3 KB
MD5: 03384e0234aa51683d4abf65d421afd5 SHA-1: 5778b3c3fd7fba5dcbaa1a908389a49daaea9e73 SHA-256: c03a8a5bb9bcbe47511db7d13d095bfdb10b4fa2eff4302616a3e74fa925c205
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as Win.Trojan.Agent-36281. Embedded JavaScript actions and streams indicate an attempt to execute malicious code, likely to download and execute a second-stage 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
066ef9d8f12f63e16362fffb1344f67b4ba8594eb19239924f8252f3eebeb23d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11498 bytes

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