PDF malware analysis — malicious · c69bd70b8aa05aa1

MALICIOUS

PDF

7.4 KB Created: 2010-09-16 18:55:19 Authoring application: Tolhipezorojpagiwaqo (via e3d8cSeueganadazaqeav)

MD5: 7b68247c9c62901ad5882b78a1a0245d SHA-1: dce3980d5757a3153784050a63c4f93de26152bd SHA-256: c69bd70b8aa05aa18af7d1bd65aedfd2883ef22bc22b7f4705185dcdd3799728

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript stream, named 'javascript_obj0011_000.js', is the primary indicator of malicious activity, likely serving to download and execute a secondary payload. The file's metadata and lack of readable document body text do not provide further context on the specific lure, but the presence of obfuscated JavaScript points to a common delivery mechanism for malware.

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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