PDF malware analysis — malicious · 4a93d47017fde6dc

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: 075af38de69774e6b0291a463b311a23 SHA-1: 4b6b7cb170bcfccc02edcdded8748f083de2507d SHA-256: 4a93d47017fde6dcdae0e491331eb9fc67626b4862beaf3dd9e60715ff475c64

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ClamAV with the signature 'Pdf.Exploit.Dropped-94' and a high ML score. Heuristics indicate the presence of JavaScript actions and embedded JS streams within the PDF structure. This suggests the file is designed to exploit a vulnerability to run malicious JavaScript, which is likely responsible for downloading and executing 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` `f93eeb6e1531be5d7e57b276fea59b7a48a581250180278971cb8c40341df395`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45585 bytes

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