PDF malware analysis — malicious · b1fd2a127e9c1438

MALICIOUS

PDF

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

MD5: 1964a017b0b312281a3cdaffbf0b8d32 SHA-1: 784654d45ce83190d1d796ed2c2dd72ec8fb8dba SHA-256: b1fd2a127e9c143882277c48bb102a00105555d504e9f88afc925c299a33be31

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature 'Pdf.Exploit.Dropped-94' and a high-confidence ML classifier. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The PDF structure and embedded JavaScript suggest it's designed to exploit a vulnerability, likely leading to the download and execution of a secondary 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` `4a12fbca720913842efad7cb75c2a84055b7a0c011cc44a42ca15e31d469a908`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45647 bytes

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