PDF malware analysis — malicious · fab0840676b0c579

MALICIOUS

PDF

2.7 KB Created: 5665-01-01 Authoring application: 7817

MD5: ec37d42d53fcb37ff78b190dd5b3e025 SHA-1: 2360ffc180d5d90b1d010812431cd5c5fd38b5bc SHA-256: fab0840676b0c57903be46ce8c5e28f6d76fde28dee2a18a66b30bbc103486d2

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF was flagged as malicious by ML classifiers and ClamAV, specifically as Pdf.Exploit.Agent-36014. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities. The JavaScript is obfuscated, suggesting it likely downloads and executes a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium 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.
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_obj0013_001.js` `a65c57c06df59e9770936185c69abe347192847b74d96600db2f943e648c84da`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4795 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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