PDF malware analysis — malicious · 28ab3ebf065fe034

MALICIOUS

PDF

2.7 KB Created: 9931-01-01 Authoring application: 2854

MD5: 5a6fc00f894d9d90b01ca181f75fd119 SHA-1: 6c94ed05bf33f1a37231596f2f7c8d93646ba614 SHA-256: 28ab3ebf065fe03433d68b777b3613830d37399dd67fa534e964ecce4edb9afd

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' further confirms its malicious nature. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, suggesting it is designed to perform malicious actions such as downloading and executing a second-stage payload. The lack of readable document body text and the nature of the embedded script point towards a common PDF 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` `5caa2d5b34a7ec1cf2a7fd920cc5576a951c1fb01a871845fc4adeee349beab9`	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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