PDF malware analysis — malicious · b8b9836238cf45a8

MALICIOUS

PDF

2.3 KB

MD5: 0aa6cdbd0978b7742af5408707eff1d9 SHA-1: 24e0b97de249d2377d67dda5579a7164c56f641a SHA-256: b8b9836238cf45a83e12c3e112306b33515e08c18ef8e79dc8f15745e00b3072

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating it contains an exploit. Embedded JavaScript with eval() calls was detected, suggesting the execution of arbitrary code. The primary function appears to be exploiting a PDF vulnerability to run a malicious script, likely for further payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 5

ClamAV: Pdf.Exploit.Agent-2415 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-2415
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `595408fa001dd879d05e6e9ec9b3b6fb553f4eb9ae18c563815762b69a3af02c`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF3	3227 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 7 long base64-like blob(s).

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