PDF malware analysis — malicious · 90ee1275fcc29be8

MALICIOUS

PDF

2.7 KB Created: 7003-01-01 Authoring application: 1897

MD5: 60592ca2545fa0871ccd4bfbbff9e289 SHA-1: e266d3e1f5aadcae8d3c728202e391458ed7a224 SHA-256: 90ee1275fcc29be8d30b9bfc4bc99ac7b5587d81dd905e17320b2428d61a8b80

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic further confirms its malicious nature, identifying it as Pdf.Exploit.Agent-36014. The extracted JavaScript file, javascript_obj0013_001.js, likely contains obfuscated code designed to exploit a vulnerability within the PDF reader, leading to the execution of malicious actions. The exact intent of the script is unclear due to obfuscation, but it is designed to deliver a secondary payload.

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` `1270025f376adc8c42ac55e05c9a85576e8e62d13a48bd8eaf5877d3af82dc8a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4783 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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