PDF malware analysis — malicious · ecc9499128c0ad62

MALICIOUS

PDF

7.3 KB Created: 2010-09-16 18:52:20 Authoring application: Qabifagevafa (via 6940aTiqotezozav)

MD5: 5570d32bbad88cde6ec55c295fa1d8de SHA-1: 3cde1b3ef0f81affc20445c10b0be9fa2b320dec SHA-256: ecc9499128c0ad623cec692b1cb62df8fdd08cffb0369db794061e0d56f28df3

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file was flagged by ClamAV with 'Heuristics.PDF.ObfuscatedNameObject', indicating obfuscated content. Analysis revealed embedded JavaScript, which is often used to deliver malicious payloads. The specific obfuscation technique and the exact nature of the payload could not be fully determined due to the complexity, but the presence of JavaScript and the ClamAV alert strongly suggest an attempt to execute arbitrary 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_obj0011_000.js` `ff85b44f7d06834e69a161aee8e28b7340c56fef50ee1649100cb6f376ea5386`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1364	2324 bytes

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