PDF malware analysis — malicious · f4204a8da510f028

MALICIOUS

PDF

47.2 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)

MD5: cf768f53d07a6d978b95e42af9f2d6d1 SHA-1: dedb28a671ae598dc4019639b86628becd9cca63 SHA-256: f4204a8da510f0285a8acc9281c6f6f7a7d538ee203263c6895f206002b3a4dd

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities and downloading secondary payloads. The presence of JavaScript actions and embedded JS streams strongly suggests an exploit attempt.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `f9ddaddd77e95888f9589e4bb0917a3f4318b771d3b90abb145fe05607c8a35d`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45579 bytes

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