linux - wget download pdf files fail

I am using:

wget -r -A pdf https://labraj.uni-mb.si

but instead of pdf's I get this output in console:

--2013-03-23 15:11:03--  https://labraj.uni-mb.si/
Resolving labraj.uni-mb.si (labraj.uni-mb.si)... 164.8.230.26
Connecting to labraj.uni-mb.si (labraj.uni-mb.si)|164.8.230.26|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://labraj.uni-mb.si/Splo%C5%A1ne_informacije [following]
--2013-03-23 15:11:09--  https://labraj.uni-mb.si/Splo%C5%A1ne_informacije
Reusing existing connection to labraj.uni-mb.si:443.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
labraj.uni-mb.si: Permission deniedlabraj.uni-mb.si/index.html: No such file or directory
Cannot write to `labraj.uni-mb.si/index.html' (Success).

How can I do this properly?