PDF malware analysis — malicious · f5db7bd0b2fa32d7

MALICIOUS

PDF

2.7 KB Created: 1537-01-01 Authoring application: 1618

MD5: 0acd13989b5fe7e20ad5ae74445c7edd SHA-1: 408d829e5cebc5342ec25a6c31bb617eca17ddd9 SHA-256: f5db7bd0b2fa32d7995fdff7a294e7fa53f7806106ab86855ec7a67b2bba7aee

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The extracted artifact 'javascript_obj0013_001.js' and its associated heuristics like 'Hex escape obfuscation' and 'Script obfuscation indicators' point to the script being responsible for the malicious activity, likely downloading and executing a second-stage payload. The document body appears to be malformed or encrypted, 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` `92b30bdec8e57491675cba8f6515a6a883eeddda326318cb8522416ac5386bfe`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4780 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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