is there any idea to download a pdf from sublinks?

i have a website http://studies.hum.da.gb contains many links like this one:
http://studies.hum.da.gb/mod/resource/view.php?id=7562
when i click one of them it open a pdf document like this one
http://studies.hum.da.gb/pluginfile.php/97808/mod_resource/content/1/anatomyLv.pdf
my question is How do i get all the documents without click every link ?

i tried to:
1-navigate http://studies.hum.da.gb/pluginfile.php/97808/mod_resource/content/1/
no susccess
2-i tried web grabber like httrack but not worked
i am using linux as my OS

maybe i can simulate a mouse click on every link and download the resulting pdf without open it on another tab but i have no javascript experience