PDF malware analysis — malicious · aec6220bdc79e154

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: 0bb8a8f4fcc35a4b22f599e26c877f9e SHA-1: e6a6690b717882bacfe935fe7e219634a36d1652 SHA-256: aec6220bdc79e15476b213d749554bcf241e3456c53ccaa65b1f71fb8f8da03e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV and a machine learning classifier, specifically as 'Pdf.Exploit.Dropped-94'. Static analysis detected embedded JavaScript, indicating an attempt to exploit PDF vulnerabilities. The large embedded JavaScript stream suggests it is likely responsible for downloading and executing a second-stage payload.

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` `d362e6edb9d88d0af34ff87b00ba4bc66c0c9f204a5c665715475ff585297c8f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45556 bytes

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