PDF malware analysis — malicious · ed012ad992200af3

MALICIOUS

PDF

7.1 KB Authoring application: Wezolokofecpo (via 884b9Nworeticakebi)

MD5: 5b6b25727cbfa030c8deebd321e923c1 SHA-1: c87eec9db87b1379c8b95fbc8254113df1698094 SHA-256: ed012ad992200af3e08bc27ec769ca30cdfe351502d2658a5f0c01def59e93c0

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 through obfuscation. The JavaScript is likely designed to download and execute a secondary payload, a common technique for initial access and further system compromise. Due to the obfuscation and lack of specific IOCs, 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_obj0011_000.js` `437a5d40b54247c17dfb3ac60e39d3ecfad672a269694af1851a077d9726a8d2`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1342	2272 bytes

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