About: http://webisa.webdatacommons.org/24868816

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So it is only logical to assume the file you placed was something other than your PDF. Perhaps it was a different format that you exported from Acrobat...(?) I can only guess.
http://www.w3.org/ns/prov#wasQuotedFrom	adobe.com