Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1d92de94af2f2b3…

MALICIOUS

PDF

12.0 KB
MD5: c2aee9d5ef3ba85f94f6e16de8737b3c SHA-1: f51a9d57e908a38cfd9931f04f26e13aaf03abec SHA-256: a1d92de94af2f2b30099dca73f39bd4505e3198db885024efdc8a3f5c061d9c3
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 this file with Heuristics.PDF.ObfuscatedNameObject, confirming its malicious nature. The obfuscated JavaScript is likely responsible for executing the malicious payload, although its specific actions cannot be determined without further analysis. The minimal document body content provides no additional clues to the attack's intent.

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.