Malicious PDF — malware analysis report

Static analysis result for SHA-256 96c859c94681a9e0…

MALICIOUS

PDF

47.3 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via substr)
MD5: 53d7d4caeaca0adf179a9a9216a5561a SHA-1: 77ab5cda2bb45506fcd37158313ae0945374d7bd SHA-256: 96c859c94681a9e0963fee653fc5e8197e35b1921ccc517ffb499eafa6f63f80
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Dropped-94' confirms its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware delivery.

Heuristics 3

  • ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
  • 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
2daa8e86f411ee11e4e523ba8cd4dc8d8ef31f04e7a909f2a3bf6dcd5fdabfe4		 pdf-javascript-stream PDF /JS object 76 at offset 0x99C 45714 bytes

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