Malicious PDF — malware analysis report

Static analysis result for SHA-256 99b0c50e1ba556fd…

MALICIOUS

PDF

47.4 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)
MD5: 50ece75bee2c3def184565e8c1be9cd9 SHA-1: 0d04b7dbe3ee915811f209218ee7ea7b5d778bb7 SHA-256: 99b0c50e1ba556fd74587ee399b307972abd13759be1498025ac88a9984ce0b6
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 it's a known exploit. The embedded JavaScript is likely responsible for triggering the exploit, leading to the download or execution of a secondary payload. The document body content is not indicative of a specific lure.

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
b56822182faaaec8abc185c2c6c0e8a975182b6fc92a6f4f932a1c5060f5a904		 pdf-javascript-stream PDF /JS object 76 at offset 0x99B 45809 bytes

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