PDF malware analysis — malicious · ab209376c82e218f

MALICIOUS

PDF

3.3 KB

MD5: b92e048dfe2ab6171a4b37afc955ed41 SHA-1: 0633ba5ea34827250d7bd4d276f4150cfe02d11c SHA-256: ab209376c82e218f9ffa4310f5e090304b7ef8c5f7f7bee265852a3b88ca182c

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the presence of embedded JavaScript, which is commonly used in PDF exploits to download and execute further stages. The embedded JavaScript is likely responsible for the malicious behavior, though its exact function could not be determined due to obfuscation.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
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_obj0007_000.js` `a8f51396f62d1757bd33d45916fb2bade19986df5d4c2b7710cd80b98f6d79ac`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	336 bytes

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