THPDFEmbeddedFileValidationInfo Record

FileName, MIMEType, Relationship, CreationDate, and ModificationDate echo the embedded file metadata

DeclaredSize versus ExtractedSize and DeclaredChecksum versus CalculatedChecksum compare the declared claims against the extraction results

SizeValid, ChecksumValid, MIMETypeValid, RelationshipValid, and DatesValid flag the individual checks, Valid summarises them, and Diagnostic explains any failure