Allegedly, on or about 16 November 2016, Ranjan Maitra sent:
I have been e-mailed a pdf file and I wanted to know who the author was and what the date/time of creation was. Is it possible for me to find this information using tools available on the F24 repositories?
Many of the PDF viewers can show you properties about the file (just look through the menus), however it only shows the data that the person lets be included. They can use false names, they can strip out personal data, they may have created the PDF long before they sent it, etc.