Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa5e0efa5ff4d4d4…

MALICIOUS

PDF

12.6 KB
MD5: 8dc0b9487a2cd60abbda8cc30b3be4e9 SHA-1: 4e892a1d8089bd6cea82258373ec5948f7cc1cf0 SHA-256: fa5e0efa5ff4d4d4f377f37575298f43e9dc0628bc78adf59c3bc43fa1cb3fd1
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a vulnerability within the PDF structure. The embedded JavaScript is likely responsible for executing the exploit payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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_obj0076_000.js
d481520bc7751923983210981e6c4f9238339f812d919b9d36a1f6e165e2c714		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11800 bytes

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