PDF malware analysis — malicious · 97ca1b1a245e58a0

MALICIOUS

PDF

2.7 KB Created: 5250-01-01 Authoring application: 8764

MD5: 983555fd9efdaae8732302d09e6ea787 SHA-1: 1c3cfd911ad4c56f0e6860c3628818473587abef SHA-256: 97ca1b1a245e58a056475f87f3c86fef15f6c39f15c75ec63773aa3681e746a4

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36014' and a high ML classifier score. An embedded JavaScript file was also extracted, indicating an attempt to execute malicious code. The JavaScript stream and associated heuristics suggest the PDF is designed to exploit vulnerabilities, likely leading to the download or execution of a second-stage payload. The document body contained unreadable characters, providing no further context.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `02fa0ce19ce01f95b6c0d0ebea5578f92056c9880ab37ceedfed0e731b8fb03e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4746 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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