PDF malware analysis — malicious · 52580dc64427d07b

MALICIOUS

PDF

2.7 KB Created: 1508-01-01 Authoring application: 8085

MD5: b0209d76d63145969f188890b33116d9 SHA-1: e16b6d21ae1cada60d6fc472300c7108187720a1 SHA-256: 52580dc64427d07bde37f970ba9981fabc744134700665e4ae36fdd6bca0f1b7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36014, indicating a known exploit. Static analysis also detected embedded JavaScript, which is often used to deliver malicious payloads. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, further suggesting malicious intent. The exact function of the script could not be determined due to obfuscation, but it is highly probable that it attempts to exploit a vulnerability in the PDF viewer.

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` `9ccb37d3ecc5f27079ff7c1a68e923898163c45421c0734876a25cebc862712c`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4814 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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