PDF malware analysis — malicious · ac5ff7efb066885f

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: 858a274ecf572490cd92ebe2d7e7267a SHA-1: 04a52df97f0dd6c42ad3942f2e40e85c29007710 SHA-256: ac5ff7efb066885fdb7c0ba427bef8df176f4ba8a96d8d886734fdafedde6418

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Pdf.Exploit.Dropped-94 further confirms its malicious nature. The embedded JavaScript, which is a large stream, is likely responsible for executing the exploit. The file's SHA256 hash is included as a primary IOC.

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` `eb16152a9f58cc6717be5066c68717cec34699d614e581cea0fe9aa2bb5923c4`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45426 bytes

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