The PEHeadersType specifies the headers found in PE and COFF files.
The DOS_Header field refers to the MS-DOS PE header and its associated characteristics.
The Signature field specifies the 4-bytes sugnature that identifies the file as a PE file.
The File_Header field refers to the PE file header (sometimes referred to as the COFF header) and its associated characteristics.
The Optional_Header field refers to the PE optional header and its associated characteristics. The Optional Header is required for executable (PE) files, but optional for object (COFF) files.
The Entropy field specifies the calculated entropy of the PE file header.
The Hashes field is used to include any hash values computed using the specified PE binary file header as input.