PDF malware analysis — malicious · f3816a970986fe6a

MALICIOUS

PDF

2.7 KB Created: 985 Authoring application: 2402

MD5: 0b53d2a77f317fc0fd7da8ff3f90e810 SHA-1: 3dc74f8f7615816453dd4eaa25123affbc47f132 SHA-256: f3816a970986fe6a2bdab61768a8e67a951175d44b4ede8214fbdbcc55526f46

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 Scripting: JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical ClamAV detection flags it as Pdf.Exploit.Agent-36014. The embedded JavaScript, extracted as javascript_obj0013_001.js, shows signs of obfuscation and hex escape sequences, suggesting it is designed to perform malicious actions such as downloading and executing a second-stage payload. The exact intent of the script is difficult to determine due to obfuscation, lowering confidence.

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` `a47b47db2ab64baab49ae2ee1025f2794711d1432b7037142668210bdfc80a99`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4808 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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