PDF malware analysis — malicious · f383ba62af8eab4d

MALICIOUS

PDF

2.7 KB Created: 2858-01-01 Authoring application: 8564

MD5: 0ab6b1b927e559ab0c40d071886f62cf SHA-1: 31492f94afa20f5514b727d6d1a8065357f42b7b SHA-256: f383ba62af8eab4d1a200e94b6c02c6e45b900d2602b813226016e9ee134f079

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Agent-36014. Static triage indicated suspicious artifacts including hex escape obfuscation and script obfuscation within an embedded JavaScript file. The presence of JavaScript actions and embedded JS streams strongly suggests an attempt to execute malicious code, likely to exploit vulnerabilities within the PDF reader.

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` `98c1fae5db24802eae6ec97c21718526565cf68bdc392c19b4022bcbf5dd1d87`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4723 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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