Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2ae661378dc7fcf…

MALICIOUS

PDF

3.3 KB
MD5: 774119d83b285e9a5cb89143392c97c0 SHA-1: 5c1cc70aef00678b3db59a1aee85f4366b5b6b4f SHA-256: e2ae661378dc7fcfbc165820808b0b2238db78e597bcf9b9d798476fa7c53cc0
76 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for executing the exploit and downloading a secondary payload, though the exact mechanism is not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
ed9ae0c7505ec165ac49eb1f53bcb36770764909f1859a506fbf1123fe174533		 pdf-javascript-stream PDF /JS object 7 at offset 0xA86 350 bytes

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