PDF malware analysis — malicious · ab5c4bda847405b1

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: 84f99e850ebdeb2328fef8741a94dbbb SHA-1: ab29476fe0833e5deee58aa2f615051bc9b93da8 SHA-256: ab5c4bda847405b126c4fc2801bdd5989417381d824ae9933fd582dab7528d65

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 known exploit. 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.

Filename	Kind	Source	Size
`javascript_obj0076_000.js` `951c4219debe67ec0b85bb90bbf562d97f21a9f2c8de93322fdff250d2618cab`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45442 bytes

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