PDF / .PHP malware analysis — malicious · b5c1eee82e7debd4

MALICIOUS

PDF / .PHP

7.2 KB Authoring application: Bofatezozinefaxfa (via 57368Vogewojixariuawi)

MD5: 452a47ee66b56dc248ab156d8d6f43fa SHA-1: fea3fb4b19987952191c72f198d4a55e35c2f1d1 SHA-256: b5c1eee82e7debd4b06e93b665c9c033ccdd3480631a3293d82e9e958560d735

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject, suggesting obfuscation techniques are in use. The embedded JavaScript stream (javascript_obj0011_000.js) is the primary indicator of malicious activity, likely serving to download and execute a secondary payload. The file type is identified as PDF/.PHP, which is unusual and may indicate an attempt to disguise the file's true nature or serve it via a web server.

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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