PDF malware analysis — malicious · 58aa7d9ac6aa1f64

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via c07fbRenizaxizo)

MD5: fe5f670c5ced694d084459bb3b0a3737 SHA-1: dee2b38273f19d8f3a05cc7f3250ed5a1f496024 SHA-256: 58aa7d9ac6aa1f641e9d3f3796f4a8a3a60b9a4ba4ca820ed36d44dd527206c2

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 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common technique for malware delivery. Due to the obfuscated nature of the JavaScript and lack of specific indicators, the family is unknown.

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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