PDF malware analysis — malicious · b99d6988436a6c8a

MALICIOUS

PDF

6.7 KB Created: 2010-09-01 09:19:50 Authoring application: Coqilzd (via 48822Vezipovade)

MD5: 1eeb6f0f4348f9019ad1590fa86b2fb0 SHA-1: bb1cd319eedf14029816cd414fdbb661cc1266b3 SHA-256: b99d6988436a6c8a48f462a053f76d368a6f282ddb78765e39b200de97f225b4

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious obfuscation. 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.

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` `079179f2b5d2111982b6d25d3e16180f95f8876fd2c529b41f4158f5012771c5`	pdf-javascript-stream	PDF /JS object 11 at offset 0x121D	1942 bytes

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