PDF malware analysis — malicious · f321fee69d581cae

MALICIOUS

PDF

2.7 KB Created: 2807-01-01 Authoring application: 8387

MD5: 485145e85ca3d5b9bcc27e2ad6dd323e SHA-1: 3c21074fcd24736564d910b76ad8d4fef9d8f0da SHA-256: f321fee69d581cae429f162264fb2a035a4a432c31844222ada0354918e6259f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies it as Pdf.Exploit.Agent-36014, suggesting it exploits a known vulnerability. The extracted JavaScript file, javascript_obj0013_001.js, shows signs of obfuscation, typical for malware attempting to download and execute further stages. The attack pattern is therefore a PDF exploit leading to JavaScript execution.

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` `a8cba05536770c5a390cc970cc541e9e41dc51c2048705dba5420ea62ec5bf06`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4811 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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