Malicious PDF — malware analysis report

Static analysis result for SHA-256 7feadcd5fc8ffaf8…

MALICIOUS

PDF

3.3 KB
MD5: 549a5e6a0187ed3003fa5d9fff5ed111 SHA-1: f30b878612dbde565d2811beb030ba8820eb6888 SHA-256: 7feadcd5fc8ffaf81a782eac5b36f1f5a89929e310c3fe2ccda2d9a437d90cb2
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload, leading to the 'malicious' verdict.

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
fc2f2e5af4bdce4e128e1c63bcf61683d68cff8ae833c0c3da4e4e9b2fdc0dc3		 pdf-javascript-stream PDF /JS object 7 at offset 0xA7C 345 bytes

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