PDF malware analysis — malicious · 0e10663e6fad6d2e

MALICIOUS

PDF

7.4 KB Created: 2010-09-16 18:55:19 Authoring application: Tolhipezorojpagiwaqo (via b8a2eSeueganadazaqeav)

MD5: 78824b2aec6f193bacc8567a69b85a9e SHA-1: 57af0ed56bd2f4171e4a7e41c080ca5b0c54fbcf SHA-256: 0e10663e6fad6d2ec8532cfec7538217985832ee97acdc6f361bf01b0b6205bb

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript is likely responsible for executing the malicious payload, potentially by exploiting a client-side vulnerability.

Machine Learning

Nyx PDF Classifier malicious score 0.9954

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0011_000.js` `e2d41866c9fb013feb60cefe8b41892c7277decb0774febb940ce493b1221654`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1387	2332 bytes

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