PDF malware analysis — malicious · f808aef14be7895b

MALICIOUS

PDF

12.6 KB

MD5: fca5e1a78bddeb486fe4afd7ccaaf3f6 SHA-1: ed66bb4ad4e5d6b0e8b22a1a00a0bc8f6204d357 SHA-256: f808aef14be7895b2fff848499045fe1b90d5d72c5a5de671a68b4537cc80a7e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS heuristics, suggests an attempt to execute arbitrary code. The ClamAV detection name 'Pdf.Exploit.Agent-36723' further supports that this is an exploit-based PDF.

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` `876f92231ea3a65564c568fd8406d34d010ee080de8ba7700aaedbdbb80fb153`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11801 bytes

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