Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ae6f61b65817ae1…

MALICIOUS

PDF

3.2 KB
MD5: 9d09d9104af8e4e5a7a3be77cba6800f SHA-1: 0f59ee55334907cab942baf2ab77bcb6e8d8e103 SHA-256: 2ae6f61b65817ae199c806361bc9e34219dd835ae309efee6a6aaa4e295263a2
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code, although the specific exploit mechanism is not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
116c19a6f7c33dca5e5123a987705e3664203e3573e913643b6975210d6c37fc		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C5 470 bytes

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