Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ad0a60e9f212e21…

MALICIOUS

PDF

47.8 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)
MD5: 9902cef926645134851f621f95b13dfe SHA-1: 3e271792476cb71bb6a1face7830aa6c93c5cc92 SHA-256: 9ad0a60e9f212e213e28b4a53c562ab5cb37460ee43794d87d3a6868e6dbd3f4
106 Risk Score

Malware Insights

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

The file is a PDF containing embedded JavaScript, flagged by multiple heuristics and a machine learning classifier as malicious. ClamAV identifies it as Pdf.Exploit.Dropped-94, indicating it's a known exploit dropper. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download and execution of additional malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
eda9bfcfedb246a10a3ae3c773e6a0cf319d83baabaa41a77f9c47f85a7d8f6d
pdf-javascript-stream PDF /JS object 76 at offset 0x99B 46204 bytes