PDF malware analysis — malicious · bc677ded63620e2e

MALICIOUS

PDF

3.3 KB

MD5: 2372a100da496483f9413aa94a406b14 SHA-1: 3637b39f78f4dd80e093971af11f77a46171395b SHA-256: bc677ded63620e2ed71aeb45aad53b164f69b09694bb6b1e4d4fb4ec86d0e61d

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS and ClamAV detections strongly suggest this JavaScript is malicious, likely exploiting a PDF vulnerability to download and execute a secondary payload. The ClamAV detection name 'Pdf.Exploit.Agent-36121' is included as a primary IOC.

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` `84a1f55f3213d73c0220bb02a33c1f42d78fda4504630cd9dcc16be2cc858472`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA85	328 bytes

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