Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed438eb8d09a0857…

MALICIOUS

PDF

12.6 KB
MD5: 8fb69d5e19335af9fe0d153387a200e2 SHA-1: f5c8dc66bd6193f1d1e543cea4da10b5593ffc99 SHA-256: ed438eb8d09a08572a38e9a793b6be44e543e9c05ac4d52cace80d5f67888dae
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript stream. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious 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
ece62e85dd0c242d156b2f214fd4eab777eca09913ef4637f79b7f0190509104		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11799 bytes

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