PDF malware analysis — malicious · b251c9293bb3f4cb

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: b6d2bbb3cd528a84f35957e3b4a4991e SHA-1: be9a1d826142931a97fe66dd80529975931db6aa SHA-256: b251c9293bb3f4cb4788ff69b9f0c2d309f8f0a6f84cc1ea0f76ee1f813c6612

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript within the PDF structure, which is a common technique for exploiting vulnerabilities and delivering further malicious content. The ML classifier's high confidence score further supports the malicious nature of the file.

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` `c4c0848370e7e7ba5a493859a7bfb700aa846f6acfdc4ac2358f9e58c228cfd5`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45666 bytes

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