PDF malware analysis — malicious · 393ceb03d89434eb

MALICIOUS

PDF

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

MD5: 1458296f351b4b7a35bebac92ebd6a94 SHA-1: 5e59dca6e85786f35cf56c8acfa447633e612fe4 SHA-256: 393ceb03d89434eb85b28e55f65bea1419883bf31faede990f6fe106b27c721a

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. Static analysis detected embedded JavaScript, indicating an attempt to execute malicious code upon opening the PDF. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be metadata and not user-facing content, suggesting the exploit is the primary function.

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` `a3628f1da7c0d6d39c8d207e71c2bc53dddd7d788d261bb34a6057ad706dd284`	pdf-javascript-stream	PDF /JS object 76 at offset 0xB968	533 bytes

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