Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ad56c32e5cc02a9…

MALICIOUS

PDF

12.1 KB
MD5: c09ecf9b0d1a320ad1321d785f6df181 SHA-1: 72bf1df4f2d58aa84a308fb7345d2d73b4a073ce SHA-256: 7ad56c32e5cc02a901e9901f2fa4562abfdd502a46c40c8ec375e1129b9a6d35
78 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged the file as Heuristics.PDF.ObfuscatedNameObject, suggesting malicious obfuscation techniques. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions cannot be determined without further analysis. The attack pattern is consistent with a malicious PDF designed to deliver a secondary payload.

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.