Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d2b689f08ceb128…

MALICIOUS

PDF

3.7 KB
MD5: e05f355589a610ded5f7fef94ef3d532 SHA-1: 24e470a1045b157b4a119ba6280a8bf820a856f5 SHA-256: 3d2b689f08ceb1286f9df220204fe9d470dd5025d993b138c9f205d6a97d21a2
106 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the execution of obfuscated JavaScript to exploit vulnerabilities. No specific IOCs were extracted, but the presence of JavaScript points to a common PDF-based attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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.