PDF malware analysis — malicious · a5505a7ddd662c9e

MALICIOUS

PDF

10.9 KB Created: 2010-02-16 11:19:27

MD5: 53a94c2ee7926d59dcde78648024be54 SHA-1: 6a610f2a1d8bd63772e4490b962e9b4e1688f4c0 SHA-256: a5505a7ddd662c9e66db2d59490cf5c767fd5e8c1ad45a7c008028ed3e876375

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, including a call to eval(), which is a strong indicator of malicious intent. ClamAV detected this file as 'Pdf.Dropper.Agent-1828861', suggesting it acts as a dropper for other malware. The heuristics indicate obfuscated JavaScript streams were extracted, further supporting the dropper functionality.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-1828861 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1828861
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0019_000.js` `bb56b0b8244aebaf6724dd53bd228a4f9067774e6a99b0be6685b2da65c6859d`	pdf-javascript-stream	PDF /JS object 19 at offset 0x25D0	223 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`stream_007_off000027e8.js` `2c694c5967b553e90bc2c512dc5fa7be2806bf467167de2c5e259f3464c2ee2d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x27E8	328 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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