PDF malware analysis — malicious · 348cc2c1068cdfd1

MALICIOUS

PDF

7.3 KB Authoring application: Bofatezozinefaxfa (via 08ce2Vogewojixariuawi)

MD5: 46d1fafe25fb3d8112dbe229fb6c49a3 SHA-1: 27422c2d0e538a0e3165b571b4327f59cc1c88e3 SHA-256: 348cc2c1068cdfd16569dad002db41904e8bdbdd7f23c92efc187600094560b6

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing obfuscated JavaScript, as indicated by multiple heuristic firings and ClamAV detection. The embedded JavaScript is likely designed to exploit a vulnerability within the PDF reader to execute arbitrary code. The specific nature of the JavaScript's payload could not be determined due to obfuscation, but the presence of JavaScript actions and streams strongly suggests an exploit attempt.

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` `ca838ab153ea9de4fff1e74bdd0848fd720f71bc6fbee4425be234136cd19b41`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1349	2325 bytes

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