Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d3f2ee8705234f…

MALICIOUS

PDF

16.6 KB Authoring application: Xedeehagireuehoefovi (via Sahagipohesico)
MD5: 990c4dedf50bf75e99c222efbbc1bcc3 SHA-1: 183524b6f0747d3fbcf979f4a81371325f323817 SHA-256: 89d3f2ee8705234f6f94e3cb7c6ae032fa6ec83a794f3734a5ef4c4f4b3e9f1c
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically detecting 'Pdf.Exploit.Agent-24094'. The presence of embedded JavaScript actions and streams indicates an attempt to execute malicious code within the PDF viewer, likely to exploit a vulnerability and download a second-stage payload. The exact nature of the exploit and payload is not detailed in the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-24094 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-24094
  • 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_obj0026_000.js
4dbcf10d04e0b59ba691940d5f2de54e36a6b11d4f473908e1ec3e0ae2dfe554
pdf-javascript-stream PDF /JS object 26 at offset 0x3851 36749 bytes