Unverified50% confidenceFactExact time
Magic bytes are characteristic byte sequences at fixed offsets at the start of a file, defined by format specifications, used to determine the true type without decoding the entire file; Windows executables start with MZ (0x4D 0x5A), PDFs start with %PDF, PNGs start with \x89PNG, and ZIP and its derivative formats start with PK\x03\x04.
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
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