Malicious PDF — malware analysis report

Static analysis result for SHA-256 71684b20d7336072…

MALICIOUS

PDF

1.1 KB
MD5: b32f74f1a575cb1fccd684645aee9208 SHA-1: 5e3095ed9b7a0c3bb51702ebcbb92475f73a53a1 SHA-256: 71684b20d7336072365e43610c894a819ff0f81bf87165dce442776c6fca972a
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file was flagged as malicious by multiple heuristics, including a high-severity ML classifier and ClamAV detection for obfuscated objects. The presence of embedded JavaScript actions and streams indicates an attempt to execute malicious code, likely exploiting a PDF vulnerability to achieve arbitrary code execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.