PDF malware analysis — malicious · f5e3ea3aa2a62bdb

MALICIOUS

PDF

2.7 KB Created: 4861-01-01 Authoring application: 3949

MD5: db3019774a8020c48d81d3c33278f0cc SHA-1: 8e93f7a4c608f23c1195f77b9d5cd9f54e5a34a2 SHA-256: f5e3ea3aa2a62bdb0816993b22bb0369fb4ed41915d1864883bf307288cde919

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged by ML classifiers and ClamAV as malicious. It contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The extracted artifact 'javascript_obj0013_001.js' suggests the execution of malicious JavaScript code, likely to download and execute a second-stage payload. The presence of VBA and JavaScript heuristics points towards potential exploitation of document vulnerabilities.

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` `b8a86f97614fa87bcc584b575f3f054088ebaaee61491cadeaf07dd786715aae`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4760 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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