PDF malware analysis — malicious · 520e21cd0b6edc13

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via 24200Renizaxizo)

MD5: 4780cfa78f1f1ccaeb5bbabb6efe060e SHA-1: 0d6f1db315d2bedbc3cdbf10592611dcb4e2b468 SHA-256: 520e21cd0b6edc13a4fa36ce7f1757d0ed3e60b640bde4ee6aa0d186fa21bc73

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript stream, named 'javascript_obj0010_000.js', is the primary artifact and likely responsible for executing the malicious payload, potentially downloading additional malware. The attack pattern is consistent with a malicious document designed to trick users into opening it and executing embedded code.

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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