Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f6138851dd6bc4f…

MALICIOUS

PDF

27.0 KB
MD5: ed60c73f3ffaee6c07f6ab946bd700e5 SHA-1: 0e26bb68d2b92172c0970860fdb6909eaa3397a0 SHA-256: 1f6138851dd6bc4f3beb26fd2b1e738e3a917c742ce823d596fb16db8d9dc89b
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for obfuscated objects and a high ML classifier score. The presence of embedded JavaScript actions and streams indicates an attempt to execute malicious code, likely for downloading and running a secondary payload.

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.