PDF malware analysis — malicious · acf4abb79bd136d4

MALICIOUS

PDF

7.3 KB Authoring application: Bofatezozinefaxfa (via e75daVogewojixariuawi)

MD5: 500a55d46907097e8160ff154140e7b0 SHA-1: 735a35500442de528cdc4fcb14d2e0cae2d5cee5 SHA-256: acf4abb79bd136d4c25950810f666dd4ed2531d7945a07fe8e094a41eef01c49

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was detected as malicious by ClamAV with a critical heuristic for obfuscated name objects. Static analysis revealed embedded JavaScript, indicating an attempt to execute arbitrary code. The JavaScript action and embedded JS stream suggest the file is designed to exploit vulnerabilities or deliver a payload. The SHA256 hash is included as a primary IOC.

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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