Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa999faa5259a7cc…

MALICIOUS

PDF

10.8 KB
MD5: 8256336ea657f581276f0e29a8158b30 SHA-1: 1d65bea4c43eeacccb8900fbe1c63f6b1faa560a SHA-256: aa999faa5259a7ccdc5dc9bba2a4bd23745b2050902ca19558dc5cbf672de480
78 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged the file as malicious due to obfuscated objects. The presence of JavaScript suggests an attempt to execute malicious code, likely for 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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