PDF malware analysis — malicious · e8056717e5fede8d

MALICIOUS

PDF

2.7 KB Created: 3723-01-01 Authoring application: 7188

MD5: f98519e3468498a20ce66757d5a488bb SHA-1: 2405a3561c42a8696368acb2db54789cc29cff62 SHA-256: e8056717e5fede8df8be1fc72cc07e5bd63aae348674e8c7b75032574a183037

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, flagged by multiple heuristics as malicious. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript, named 'javascript_obj0013_001.js', is likely responsible for downloading and executing a second-stage payload, a common technique for initial access.

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` `895af2e9b9c2a0b9f273f2a06b73326f9bc913804392c1f8755d79c1b799ff4e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4786 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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