PDF malware analysis — malicious · 6dc67b241965d08f

MALICIOUS

PDF

68.0 KB First seen: 2026-06-09

MD5: e72f5b4cb48520b56bcb69a9bf0f3e55 SHA-1: 39f1956a49dc64d9331a414b44bfe9e4af31fdaa SHA-256: 6dc67b241965d08f7bbc4d5036c6179fe7fdeacd2c378e93f24fef12ebe6f4f6

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: `10b80af27136a1aaad150d06a025144d135894433f73568918a60ac6b6b0e337`
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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