PDF malware analysis — malicious · 1176a07fb70ed1ba

MALICIOUS

PDF

7.4 KB Created: 2010-09-16 18:55:19 Authoring application: Tolhipezorojpagiwaqo (via 4ff15Seueganadazaqeav)

MD5: 06f871b5ce16621f9abf1ea75d1e9c90 SHA-1: 3949357043b135285e1f9e30a890de24bdbbeceb SHA-256: 1176a07fb70ed1bafa12a769a24f962c518ea798515248b3eb2f4bcaba2b08ff

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, as indicated by multiple heuristic firings and the presence of a javascript_obj0011_000.js artifact. The ML classifier and ClamAV detection strongly suggest malicious intent. The JavaScript is likely responsible for downloading and executing a secondary payload, a common technique for initial compromise via malicious documents.

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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