PDF malware analysis — malicious · bce9061cb0a6fc34

MALICIOUS

PDF

4.6 KB

MD5: 3c90cda62b17410a8487e11d1edd065d SHA-1: e8bcf3712a0e0713897b1b83b318ad14287015ce SHA-256: bce9061cb0a6fc3429036102b7a47bcdcd142b9522b962762792d0ee03d20f81

78 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 further confirms its malicious nature. The embedded JavaScript file, 'javascript_obj0013_000.js', is likely responsible for executing a secondary payload. The lack of readable document body text prevents a more specific determination of the lure, but the presence of obfuscated JavaScript points to a downloader or exploit delivery mechanism.

Heuristics 4

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `97abd5f5befe6c1b05f3fac986d333b78e2b249895ede692fa125317a2207e57`	pdf-javascript-stream	PDF /JS object 13 at offset 0x318	33226 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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