Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e66cd53feaa3ae5…

MALICIOUS

PDF

12.4 KB
MD5: 1c3c916ba8f9e4f20f9d071c594e095b SHA-1: 8775ce442a388337fbbff2c01dd4eb5b7c9e0ce8 SHA-256: 7e66cd53feaa3ae567fe8b87355f6e8e68b84047f391aa9bc8b4d4abf522706f
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 JavaScript likely executes a malicious payload, but its exact function is obscured. No specific family could be identified.

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.