Malicious PDF — malware analysis report

Static analysis result for SHA-256 a770991664a5bcd5…

MALICIOUS

PDF

12.5 KB
MD5: 5071c7c57632fb44ada4c28d4ba1952b SHA-1: 8a68729ecf66ccf45716acb708f0dcbba42a3bec SHA-256: a770991664a5bcd5bbbc0d6c085e31aae89d865bd43b2ccbf763f2962e4d729d
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability to execute this script. The script likely serves as a downloader or initial execution vector for 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
473e7e5f495198a02dc671a08a148215f8cabf452815ef4087bbb55e462184dd		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11707 bytes

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