LibraOffice not opening pdf files, just attempting and then crashing

Some pdf file I’m receiving and would like to work on but don’t seem to wont to open in Libra Office. Latest file is 10.836kb is that to big a file or have I got settings that are out. I’m no geek. It as open pdf before but not recently.

Please add your Operating system and you LibreOffice version. Could you share a pdf to tes?