Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ff11884b4487aaf…

MALICIOUS

PDF

12.5 KB
MD5: 703607c7c0d90bcff303c8b084c66528 SHA-1: f5fbbcb9cf4e37a3597a4d610a14a85ddcf7c08c SHA-256: 8ff11884b4487aaf855443c2b827a7e0f8de82a58b1ff80b9bf219e7c48cfc35
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. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing a malicious payload, although its specific actions are not detailed in the provided evidence.

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
43bded0ec10432c13afdadb93d35c49586cb76977969106d003e50d55507191e		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11726 bytes

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