PDF malware analysis — malicious · 412cb177ab35d1eb

MALICIOUS

PDF

68.0 KB First seen: 2026-06-09

MD5: a706a60b5a69f57aa0b7d95d9c32e51d SHA-1: 006781cd2506524a40dfe5412a36d2f5ae0a7eac SHA-256: 412cb177ab35d1ebc2f9383e81e33e28e94affb17d997cca886a442c10e2bbbd

130 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9952

Heuristics 2

Base64-encoded Windows executable payload in PDF critical PDF_BASE64_PE_PAYLOAD

PDF text contains a long base64 blob that decodes to a verified Windows PE executable. This catches payloads hidden after EOF, inside comments, or in plain text outside normal PDF streams.
Suspicious extracted artifact high 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
`base64_pdf_pe_00000284.exe`	embedded-pe	PDF raw base64 PE payload at offset 0x284	51712 bytes
SHA-256: `6a9cc6138d217cab173045db6cba10facf8f4f2dde1a47442ebb71341a7c8ec7`
Detection ClamAV: No threats found Obfuscation or payload: likely actual_type=PE; declared_or_context_type=PDF; filename=base64_pdf_pe_00000284.exe; kind=embedded-pe Static shellcode analysis recovered command string(s): PowerShell

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