PDF malware analysis — malicious · 4d2f45e27a505388

MALICIOUS

PDF

16.0 KB

MD5: 1178c8a039ad75e1de21cfb640ae84c5 SHA-1: 0a34483fd06c4f13571607a82f36528829c79d65 SHA-256: 4d2f45e27a50538891b05d8fe9c278437bc6136d1044f9dbf0dd0b9feee328a9

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

The file is a PDF identified as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV detection. The presence of embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics, suggests an attempt to execute malicious code. This JavaScript is likely responsible for exploiting vulnerabilities within the PDF reader to download and execute a secondary payload, as suggested by the ClamAV detection name 'Pdf.Exploit.Agent-36324'.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
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_obj0076_000.js` `b3745647a9b98d38783261a738c3783391590cdb464da0b32af20e61aa52ad3b`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2D4	15442 bytes

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