PDF malware analysis — malicious · 99c92654cc2ffd4d

MALICIOUS

PDF

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

MD5: a24429e184d6b2ddbb0181015f6c4cb2 SHA-1: b1653b2e26c0d9602e0f82e71cf294a058eaae23 SHA-256: 99c92654cc2ffd4db9930d62127d338d0db8343f6b89b05cb5b51febb2a8034c

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 and a machine learning classifier, with a high ML score. Heuristics indicate the presence of JavaScript actions and embedded JS streams, suggesting an attempt to execute malicious code. The ClamAV detection name 'Pdf.Exploit.Dropped-94' implies it's a dropper for further malicious content.

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` `4fce8db9cc78610ccf63ecd9dcdfdf3cb573245769efbc9916d1bc2074f0fa14`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45621 bytes

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