PDF malware analysis — malicious · 99d295a0d4ebed0c

MALICIOUS

PDF

12.5 KB

MD5: 36a03ee8449a11a9f2feb598d23f404c SHA-1: 810bb65bec7f53ab2a6a958f2401990760372286 SHA-256: 99d295a0d4ebed0cde7376f4d24e4e21e81cf8f70d8efbbfa91cfcaf968df9b5

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a malicious PDF 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 code likely exploits a PDF vulnerability to download and execute a secondary payload, as suggested by the ClamAV detection name 'Pdf.Exploit.Agent-36723'.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
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` `9179c9749d06022995592bfff7da496876d6abf42396f3918590cc8aaaaa3f46`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11652 bytes

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