Created attachment 183810 [details]
Example file with multimedia embedded

When the attached file with embedded media files is exported to PDF with PDF/UA enabled and the file is checked in the PAC tool, the reported error is ""F" or "UF" key missing in file specification" and "Annotation is not nested inside an "Annot" structure element"


1, Open attached file
2, Export it as PDF, with enabled PDF/UA option
3, Check with the PAC tool: https://pdfua.foundation/en/pdf-accessibility-checker-pac

PAC would report the error on the attached screenshot.

VeraPDF https://demo.verapdf.org/ with PDF/UA setting on the second page, reports:

Validation information
Rule	Status
Specification: ISO 14289-1:2014, Clause: 7.3, Test number: 1	
Figure tags shall include an alternative representation or replacement text that represents the contents marked with the Figure tag as noted in ISO 32000-1:2008, 14.7.2, Table 323	Failed
2 occurrences 	Hide
SEFigure	
(Alt != null && Alt != '') || ActualText != null	
root/document[0]/StructTreeRoot[0](66 0 obj PDStructTreeRoot)/K[0](4 0 obj SEDocument Document)/K[5](10 0 obj SEHn H4)/K[0](17 0 obj SEFigure Figure)
root/document[0]/StructTreeRoot[0](66 0 obj PDStructTreeRoot)/K[0](4 0 obj SEDocument Document)/K[11](16 0 obj SEP Standard)/K[0](19 0 obj SEFigure Figure)

	
Specification: ISO 14289-1:2014, Clause: 7.18.6.2, Test number: 2	
In the media clip data dictionary, the optional Alt key (ISO 32000-1:2008, 13.2.4.2, Table 274) is required.	Failed
2 occurrences 	Hide
PDMediaClip	
hasCorrectAlt == true	
root/document[0]/pages[0](1 0 obj PDPage)/annots[0](21 0 obj PDAnnot)/A[0]/C[0]
root/document[0]/pages[0](1 0 obj PDPage)/annots[1](23 0 obj PDAnnot)/A[0]/C[0]

	
Specification: ISO 14289-1:2014, Clause: 7.18.1, Test number: 1	
An annotation, excluding annotations of subtype Widget, Popup or Link, shall be nested within an Annot tag	Failed
2 occurrences 	Hide
PDAnnot	
Subtype == 'Widget' || Subtype == 'Popup' || Subtype == 'Link' || isOutsideCropBox == true || (F & 2) == 2 || structParentType == 'Annot'	
root/document[0]/pages[0](1 0 obj PDPage)/annots[0](21 0 obj PDAnnot)
root/document[0]/pages[0](1 0 obj PDPage)/annots[1](23 0 obj PDAnnot)

	
Specification: ISO 14289-1:2014, Clause: 7.18.1, Test number: 2	
An annotation (except annotations of type Link, Widget or Popup, or hidden annotations, or those having rectangle outside the crop-box) shall have either Contents key or an Alt entry in the enclosing structure element	Failed
2 occurrences 	Hide
PDAnnot	
Subtype == 'Widget' || Subtype == 'Popup' || Subtype == 'Link' || isOutsideCropBox == true || (F & 2) == 2 || (Contents != null && Contents != '') || (Alt != null && Alt != '')	
root/document[0]/pages[0](1 0 obj PDPage)/annots[0](21 0 obj PDAnnot)
root/document[0]/pages[0](1 0 obj PDPage)/annots[1](23 0 obj PDAnnot)

	
Specification: ISO 14289-1:2014, Clause: 7.11, Test number: 1	
The file specification dictionary for an embedded file shall contain the non-empty F and UF keys	Failed
2 occurrences 	Hide
CosFileSpecification	
containsEF == false || (F != null && F != '' && UF != null && UF != '')	
root/indirectObjects[5](21 0)/directObject[0]/values[1]/values[2]/values[3]/values[4]
root/indirectObjects[46](23 0)/directObject[0]/values[1]/values[2]/values[3]/values[4]

Version: 7.5.0.0.alpha1+ (X86_64) / LibreOffice Community
Build ID: 3b0b9fcb80242abcedc01eb388a57b1016916353
CPU threads: 14; OS: Windows 10.0 Build 19044; UI render: Skia/Raster; VCL: win
Locale: de-DE (hu_HU); UI: en-US
Calc: threaded