PDF malware analysis — malicious · 69e1f3493cfb59c6

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via 7bbe2Renizaxizo)

MD5: 4c95f8a09c15668c69e4f8aaa4414a37 SHA-1: 72f10a8ba0762d6752b2ef6a7bee93ce07301711 SHA-256: 69e1f3493cfb59c62f17a7a5fc688874c056f7011a6a264b464c8acdab3ccff4

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV also flagged the file as malicious. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, which is a common technique for malware distribution. The specific JavaScript file name is included as an IOC.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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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