PDF malware analysis — malicious · 4cfab5e2a405650c

MALICIOUS

PDF

2.7 KB Created: 584 Authoring application: 641

MD5: ffe1081bbb1cacb9465b7bc9e170f0d0 SHA-1: e0c735ec3cb74a00db67c38a0e91d50faf2a6d06 SHA-256: 4cfab5e2a405650c0a3a1fd17a8dc4c8b3ed2a6c3f615903dc57a2ba5a65b48f

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple engines, including ClamAV which identified it as Pdf.Exploit.Agent-36014. Static analysis revealed embedded JavaScript, which is often used to exploit PDF vulnerabilities. The ML classifier also strongly indicated maliciousness. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains the exploit code.

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` `6e5402525f26bfab997bab3f2172e399d2f2ae61612fce3accdae0cd948b6df9`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4791 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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