PDF malware analysis — malicious · 98bf0deb8b160c8c

MALICIOUS

PDF

2.7 KB Created: 4804-01-01 Authoring application: 5238

MD5: 6e29e31bc1e3108278a0b35196c99315 SHA-1: 3bbe5dcbaa30919c9eca95c486e70b42643d522f SHA-256: 98bf0deb8b160c8c14162bc64bf03e445cfa86917b1f969d4c5fd74eb297911a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is an exploit. The embedded JavaScript file 'javascript_obj0013_001.js' is likely responsible for executing the exploit, potentially leading to further malicious activity. The document body is heavily obfuscated and unreadable, providing no direct clues to the lure.

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` `f38c8a2ce66ab24b198ead4a3702af76848f601d9c7cc848082a984df7db9a4b`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4814 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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