PDF malware analysis — malicious · 3737f88fd5587c72

MALICIOUS

PDF

2.7 KB Created: 7314-01-01 Authoring application: 2220

MD5: aba3750aa1468d4a3e1e2bdf5e2146a7 SHA-1: 5b8cdb1c42bb6e5c7a8f122b223f13babd60f350 SHA-256: 3737f88fd5587c7240b29dc2bfff0566f5e2ecadfbc07c1cc551965996969e40

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

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 a known exploit. The embedded JavaScript file, 'javascript_obj0013_001.js', is flagged for obfuscation and hex escape sequences, typical of malware attempting to hide its execution flow. The script's likely intent is to download and execute a second-stage payload, leveraging the PDF vulnerability to bypass initial security checks.

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` `e01116c11569aef035b35ed51e98a762ca7e8b9eaed88bec569cbeeef5b5455d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4795 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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