PDF malware analysis — malicious · a5f8dcd0502afa9f

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: dcd39175009ba9b16c9ef012a781f047 SHA-1: f05871ad39ee4f57f6a1508dda87c3b7ca76fc33 SHA-256: a5f8dcd0502afa9f28486b5d009fc3a55ccabebb163fb05011c3b0381fc97f01

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. Heuristics indicate the presence of JavaScript actions and embedded JS streams, suggesting the PDF is designed to execute malicious code. The embedded JavaScript likely attempts to download and execute a second-stage payload, a common technique for dropping malware.

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` `fd5451feb711bdcc84994371c1a0de5d08fa3fb753872a02b9981391deb90503`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45472 bytes

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