PDF malware analysis — malicious · df65304f08ef7a36

MALICIOUS

PDF

2.7 KB Created: 442 Authoring application: 1542

MD5: e50e967599446ba813299bf6a86606e1 SHA-1: 047f64ffe0f92ccb5a6a7eaf26a96b396a7107c7 SHA-256: df65304f08ef7a369457961f6a167ff3719dbc6a0431f4dd8fdb0420a7a73f0e

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious Link: Malicious File

This PDF file was flagged as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is often used to exploit vulnerabilities in PDF readers. The embedded JavaScript file, 'javascript_obj0013_001.js', exhibits obfuscation, suggesting it's designed to download and execute a secondary 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` `5df4968b169174687dbe3542ade42eff3ac30ceb6f0d875f847ee0d5a9504397`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4811 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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