Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a69c520bd3036f0…

MALICIOUS

PDF

12.2 KB
MD5: c2d3d2ffe58fce49639a4b0ae325f83c SHA-1: df1a1c25b4cc341dc01025b39d3938df427a810b SHA-256: 3a69c520bd3036f044868996be92523ec6b81aeb4e0787ae6bf33b418d155a02
78 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded and obfuscated JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it with Heuristics.PDF.ObfuscatedNameObject, suggesting malicious intent. The obfuscated JavaScript is likely responsible for executing the malicious payload, although its exact function cannot be determined without deobfuscation.

Heuristics 4

  • 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.
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.