PDF malware analysis — malicious · 328e8a03ac0272e1

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via 7ea0fRenizaxizo)

MD5: 93b777133166a689cc61b60284b345bd SHA-1: 31e8a3d0bce800b78676ed89a126379aa64fc162 SHA-256: 328e8a03ac0272e1cbbe5409ad2a3b9000dde781a04c229246a9ebde62c27fd8

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is a PDF containing obfuscated JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports its malicious nature. The embedded JavaScript is likely responsible for executing a malicious payload, though its exact function is obscured. The lack of readable document body text prevents a more specific determination of the lure.

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_obj0010_000.js` `b53e27bbdeba8c818850cc3826b3d643c06114ca0ccd161a827d53f8e26598c4`	pdf-javascript-stream	PDF /JS object 10 at offset 0x130D	2214 bytes

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