PDF malware analysis — malicious · b28efc8704daeeee

MALICIOUS

PDF

7.8 KB Created: 2010-09-21 20:42:51 Authoring application: Doxifajahigjobe (via 27332Tomawaliuepizi)

MD5: 09f3933f0c525f1c93df5052dedb1442 SHA-1: d4e7cd4cfb4a5608fbb85be6557009f9914414f6 SHA-256: b28efc8704daeeee4ec58aa5fc0a2d6c507fd7c2f9afe541956b15ab96855b02

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection for Heuristics.PDF.ObfuscatedNameObject further confirms its malicious nature. The embedded JavaScript stream, named javascript_obj0011_000.js, is the primary indicator of malicious activity, likely serving to download and execute a secondary payload or exploit a vulnerability within the PDF reader.

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` `9106999da8553f6c6b05a4ae46a0e61bbc3c0afca5556084b61a1c3623a2a08e`	pdf-javascript-stream	PDF /JS object 11 at offset 0x133F	3122 bytes

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