Malicious PDF — malware analysis report

Static analysis result for SHA-256 972e7b2b1824da7e…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 1492aTibedegabala)
MD5: 2ad6f6a31bc4c36365272e40d8507e23 SHA-1: 84aa27f09a0ea21641617f97f46f3f243976e2ab SHA-256: 972e7b2b1824da7e2e15984b1ef623e683f9ce1c8b0cfc202d518e2338f0c83f
76 Risk Score

Malware Insights

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

The critical ClamAV detection and the presence of embedded JavaScript strongly indicate malicious intent. The JavaScript action, likely obfuscated, is typical for exploiting PDF vulnerabilities to download and execute further stages. The file is identified as Pdf.Exploit.Agent-36142 by ClamAV, suggesting a known exploit pattern.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
  • 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_obj0010_000.js
d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663
pdf-javascript-stream PDF /JS object 10 at offset 0x1230 1728 bytes