Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a81c5bf870cd8c4…

MALICIOUS

PDF

47.2 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)
MD5: 74450c3a33c1c1df470bfd1cad8ee3bc SHA-1: b93b8e7945cf35d67e3df2ab41ea66b9c88c0d1b SHA-256: 3a81c5bf870cd8c4306dbd29b9d5da4fe76125ec9e5ff8276ed2d4320b384734
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Dropped-94' strongly suggests exploitation of a known PDF vulnerability. The large size of the embedded JavaScript object (45522 bytes) implies complex functionality, likely involving the download and execution of a second-stage payload. The document body content is not user-facing and appears to be metadata or internal data.

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
ff5d7efdbb387f218e35d3cc5447b307e34ae0a8a40c2d1dc46997eeee451dcf		 pdf-javascript-stream PDF /JS object 76 at offset 0x99B 45522 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.