PDF malware analysis — malicious · f5c293350eebea1b

MALICIOUS

PDF

3.3 KB

MD5: e530398782844bbeb85031f58044cb72 SHA-1: 78706532795e0a2ec0a9828b83e7b08f1f7ab540 SHA-256: f5c293350eebea1b023598779aaef2240868ceceb6bf096e2f7e2b19ad938661

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36121 and a machine learning classifier with high confidence. Embedded JavaScript was detected, indicating an attempt to exploit PDF vulnerabilities. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common technique for malware delivery.

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` `08bff6e846db9dd2de9d6ef4e8bfe62019bbb5c99d9fc9a1f1aff31d7c87dcae`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA9F	321 bytes

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