Malicious PDF — malware analysis report

Static analysis result for SHA-256 75be19fb7bfd7ede…

MALICIOUS

PDF

374.3 KB
MD5: 6b54ad49757469d723a8fa93941d4db2 SHA-1: 6d00d3268b51f12f227cff7d96e713d83a55a5dc SHA-256: 75be19fb7bfd7ede0ba10790cfa9ad6efeef47360cb9f7eaad6c901b657d56a6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-36175 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36175
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX
    Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
  • 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0008_000.js
7c7a82d61efc2264732b3dec4016cc9fe84b6e210c37437f575f03b08f30c782		 pdf-javascript-stream PDF /JS object 8 at offset 0x1E7 127502 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36175
Obfuscation or payload: unlikely

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