Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba29d8bd91e197de…

MALICIOUS

PDF

11.3 KB Authoring application: Qepobohoviqa (via Uouonozl deqeendg)
MD5: 412897dd926dc448b7492012aeb4024c SHA-1: 520cc9d78efcf47eae0cb59a3682c6bcb5eb0ccc SHA-256: ba29d8bd91e197deceeda504f21fe56403f9872e051569b1bc731647d90c311c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Dropper.Agent-7216943-0' strongly suggests this is a dropper. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, although the exact mechanism is not fully detailed in the provided evidence.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7216943-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7216943-0
  • 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_obj0020_000.js
b8855ef209855034e4f065d2545023b5b9b4422c3e78de7a3d3e1a84032bbec8		 pdf-javascript-stream PDF /JS object 20 at offset 0x26B4 3768 bytes

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