PDF malware analysis — malicious · fe6605fbcdd1f37d

MALICIOUS

PDF

2.7 KB Created: 9087-01-01 Authoring application: 1189

MD5: e5a6d5643ff88e7da732aa069cf24efd SHA-1: 08b6cc9b74d7d5390198ed1ee91fad5c3bd332ae SHA-256: fe6605fbcdd1f37d1c275b5666a9dd251dd9e4cf9dd9d3a7b90ed27a3c374d43

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36014' and an ML classifier indicating high maliciousness. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS rules, suggests an attempt to execute malicious code. The extracted JavaScript artifact, 'javascript_obj0013_001.js', shows signs of obfuscation, typical of malware attempting to download and execute further stages. The file's SHA256 hash is fe6605fbcdd1f37d1c275b5666a9dd251dd9e4cf9dd9d3a7b90ed27a3c374d43.

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` `5c49e142a0b4ee660eb329a2e9bfe811bcdb199e75ac653c634807efa3e484ef`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4813 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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