Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc9de0c75f45b152…

MALICIOUS

PDF

16.3 KB
MD5: 4cbe2a045c62bb8ddfe4f65c7a4be7d0 SHA-1: 11bf1fac5ba58e0e1e2065e77b10ca6226a215bb SHA-256: bc9de0c75f45b1526db97d1b4d6493bc9954b6063bb96f64b219122908ef3520
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JS stream. ClamAV detection as 'Pdf.Exploit.Agent-36324' strongly suggests exploitation of a PDF vulnerability. The embedded JavaScript is likely responsible for executing the exploit, potentially leading to further malicious activity.

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
6995a9c24e107fb27815fed5a278513ddd6eb15049be2e2cd7f1777dd9665516		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15730 bytes

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