PDF malware analysis — malicious · a3419e79843e6e23

MALICIOUS

PDF

2.7 KB Created: 8590-01-01 Authoring application: 3829

MD5: 58e978b9ff14760a8ae179967674f743 SHA-1: 1dcb6f74f977f2f8ae4a60b076c57469bfa87478 SHA-256: a3419e79843e6e239f678dc3f5e0b7d2095ea20a7ec90631dcfa3af3b6a43559

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests malicious intent. An embedded JavaScript file, 'javascript_obj0013_001.js', was extracted, which likely contains obfuscated code designed to exploit a vulnerability within the PDF reader. The exact payload and execution method are unclear due to obfuscation, but the overall pattern points to a PDF-based exploit delivery mechanism.

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` `96d4380dc34663db1ab7e97eebdda50e642f7e2f9a67d058ff702ba6a969f9e2`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4786 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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