PDF malware analysis — malicious · 33508991fca18506

MALICIOUS

PDF

7.4 KB Created: 2010-09-16 18:55:19 Authoring application: Tolhipezorojpagiwaqo (via 81a82Seueganadazaqeav)

MD5: 883e6d4bf13cd26d8bee84a54b259cad SHA-1: a31456d1759276cdf1b2298b75a982ea191ed912 SHA-256: 33508991fca18506c3f6512872e6848ae728df00852cecccf02ffa55a6d0b279

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file exhibits characteristics of malicious intent, including the presence of obfuscated JavaScript. The ClamAV heuristic firing further supports this assessment. The embedded JavaScript is likely designed to download and execute a secondary payload, a common technique for initial compromise. The exact nature of the payload and its ultimate goal cannot be determined from the provided evidence.

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` `e2d41866c9fb013feb60cefe8b41892c7277decb0774febb940ce493b1221654`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1387	2332 bytes

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