PDF malware analysis — malicious · 5071b502391ca46f

MALICIOUS

PDF

2.7 KB Created: 4044-01-01 Authoring application: 3377

MD5: d137b339f4fead8aedaf97eeb3643a05 SHA-1: 3637a1413866456ae72565f7fb1be2ab47499dbc SHA-256: 5071b502391ca46fc12faddb5d7c2b6c2958faa1658c256033b718ce0f4e38c5

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Exploit.Agent-36014. It contains embedded JavaScript, indicated by multiple heuristic firings, which is a common technique for exploiting PDF reader vulnerabilities. The extracted artifact 'javascript_obj0013_001.js' suggests obfuscated script content likely 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` `cc36a62fc9e97308f404cb5c293f4dc278e4912bfb6b0a9c92eae5645b67fe3e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4747 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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