PDF malware analysis — malicious · eda5292bab4ede2f

MALICIOUS

PDF

6.7 KB Created: 2010-09-03 08:30:37 Authoring application: Xijokanilohova (via 65f7dKmgxaloxaxgi)

MD5: 2826dfa58c485813f74543a7f92d6575 SHA-1: 8fccf5f69c4e3e38dbcf6d986eb5fc51ac351cf7 SHA-256: eda5292bab4ede2f18fe37d181056904276e73992c897c93aef511ef878e9509

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF containing obfuscated JavaScript, as indicated by multiple heuristic firings including ClamAV's detection of an obfuscated name object. The presence of JavaScript actions and embedded JS streams strongly suggests an attempt to exploit a PDF vulnerability to execute malicious code. The exact nature of the JavaScript payload is unclear due to obfuscation, but it is likely designed to download and execute a second-stage 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` `d75aba2bc241d027161697fa7aada0bf45c7afe5b58fce1bb0bf66350349f123`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1208	1983 bytes

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