PDF malware analysis — malicious · bbf916b96edc39ff

MALICIOUS

PDF

2.7 KB Created: 379 Authoring application: 2808

MD5: bf91883b866c3d1645668a03814bc36b SHA-1: f87795072e74fd08eaecf673feb1c864ea024459 SHA-256: bbf916b96edc39ff5e70098e4128e57b85cb7a09b07c94049df5df1cde043306

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic flags hex escape obfuscation and script obfuscation within the extracted 'javascript_obj0013_001.js' file. ClamAV detection as 'Pdf.Exploit.Agent-36014' further confirms its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though the exact mechanism is obfuscated.

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` `e3645f341f4c85dd224a7119ff3b431afa7c876d10aadfd5965e27c14f17bad6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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