Malicious PDF — malware analysis report

Static analysis result for SHA-256 55b64518da917281…

MALICIOUS

PDF

9.8 KB
MD5: d0b4346023d312e42ba6d780ad416ca5 SHA-1: 1934127ca4739c366269db6b6bfc4f4c19eb38b0 SHA-256: 55b64518da9172810e2ffd88b1e2f4955ff16252d9ccb3444f2e19a314cf26dc
108 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection and a high ML classifier score confirm its malicious nature. The presence of JavaScript suggests an attempt to execute malicious code, likely to download and run a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-22978 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-22978
  • 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.