Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cb959fa89389d21…

MALICIOUS

PDF

12.0 KB
MD5: 40b50cc6026be82615ad8ab44e2f9781 SHA-1: f07e679fb5f3b85e17c9223fc777a04894618119 SHA-256: 4cb959fa89389d210a49580c505228380e3a3c4fbd87b944070de41c13ab81d9
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36324' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing a malicious payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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
256702ed8a7b60ca111237a2e950e05c3246a9690cbb402f40d51cea75692bf8		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 11338 bytes

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