Malicious PDF — malware analysis report

Static analysis result for SHA-256 88f63c2420983acc…

MALICIOUS

PDF

47.4 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via ubst)
MD5: 70468651715e6013c1061301edfbe433 SHA-1: 5654ebfee155fe47637d910ba9fd3d9c5b13bba3 SHA-256: 88f63c2420983accb2746e21102184a6b3ebda9643e92f66b0dab6ec0c81debe
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' confirms its malicious nature. The embedded JavaScript is likely responsible for executing an exploit, leading to the download or execution of a secondary payload.

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
44846621e5baa788df229c56df3fc0074ad67e91f9ca7f6f18ea7966c123a8d9		 pdf-javascript-stream PDF /JS object 76 at offset 0x99A 45801 bytes

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