PDF malware analysis — malicious · 58284bc1e408066b

MALICIOUS

PDF

7.3 KB Authoring application: Bofatezozinefaxfa (via db76bVogewojixariuawi)

MD5: 85c645abab60c0d2ca130632eb3ca381 SHA-1: 13f7139dbd47935941c14da674b72071adae97e9 SHA-256: 58284bc1e408066b3a551029fa0146933a9992ba981f16db29324bedc517d0b0

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. ClamAV also detected it as Heuristics.PDF.ObfuscatedNameObject, suggesting a known malicious pattern. The JavaScript is likely used to exploit a vulnerability within the PDF reader or to download and execute a secondary payload. The obfuscated nature of the document body and the specific ClamAV detection point towards a malicious intent, though the exact payload or exploit mechanism is not fully detailed.

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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