Malicious PDF — malware analysis report

Static analysis result for SHA-256 d17684987e435be5…

MALICIOUS

PDF

47.1 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)
MD5: 4c6defc6def163fb63ed69039b120abd SHA-1: cbe6f8ca0f992782b96e92636aa8a79c277d09de SHA-256: d17684987e435be574a6b7985bb1fc599084d5ddbe855e465b43e3be54dc4253
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. The ClamAV detection 'Pdf.Exploit.Dropped-94' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common technique for initial access.

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
888976896e810771287aa4fb0964126f7a87aaf7d74a9b0116222dcf511af37b		 pdf-javascript-stream PDF /JS object 76 at offset 0x99B 45438 bytes

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