Malicious PDF — malware analysis report

Static analysis result for SHA-256 e792383338568202…

MALICIOUS

PDF

12.2 KB
MD5: 8d54a8eb66831b0e67931fffc4fa2a6d SHA-1: d043fa0fb0f839fc31a686030864fce8eca313ea SHA-256: e79238333856820266c04cc9f54d2007449d73ed85fe25fcb2972cc9fec18214
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 it as Heuristics.PDF.ObfuscatedNameObject, suggesting obfuscation techniques are in use. The embedded JavaScript is likely responsible for executing malicious code, potentially downloading further payloads or exploiting vulnerabilities within the PDF reader.

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.

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