Malicious PDF — malware analysis report

Static analysis result for SHA-256 49906afb99c004b2…

MALICIOUS

PDF

12.1 KB
MD5: 5050b67ee688906ab7825315594dd8b0 SHA-1: d7a0500d88f1ba97f40dfc8b738aff6db058a0e8 SHA-256: 49906afb99c004b2d64b9528e044c427fb04fb50d23c56c6c7e561f16f7faa25
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 achieve arbitrary code execution. The embedded JavaScript is likely responsible for downloading and executing a secondary payload.

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
47320bea5c2f1c9b6b382bf143fb4148bba0ef72f8986844e4f4bd53a38ba8c1		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11319 bytes

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