Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f1f636de0a9856e…

MALICIOUS

PDF

12.1 KB
MD5: 851117a828d4b88a37bf043fb2779ade SHA-1: aab24e745002a8d6fc3f8c2f4e5ecca52a95a8db SHA-256: 7f1f636de0a9856ed06928e707daf41ca9ab35e6deed7828e55240eab34bec78
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 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-36723' strongly suggests exploitation of a vulnerability within the PDF structure. The embedded JavaScript is likely responsible for executing the exploit, potentially leading to further malicious activity.

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
54e376ef45c3b90650919b654cfe28303752c6b4b9f9a27d826c2057b620db05		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11304 bytes

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