PDF malware analysis — malicious · 8aa9d0ba72d19f93

MALICIOUS

PDF

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

MD5: 0fd6b8558b4fa0673307181e98f1bb93 SHA-1: 74a41ce57e208f60476fac75fedb8e6562254f25 SHA-256: 8aa9d0ba72d19f93d45c0312ff60d2c95e0efb73cb2d491cc90af83e6386cdb3

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Dropped-94' and a high ML score. Embedded JavaScript was detected, indicating an attempt to execute malicious code. The ML classifier's high confidence suggests the presence of a known exploit. The primary attack vector appears to be leveraging a PDF vulnerability to run embedded JavaScript, which is commonly used to download and execute 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` `7f5d7e7a64030e91163d4f9d52225b17e55de2c92499ab86388ef84ff3b52d93`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45969 bytes

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