Jorrit, over here the file you attached renders fine, see attached evince screenshot (from jaunty). Have you tried with the latest Ubuntu version?
** Attachment added: "Screenshot-it203_2008_fill_in-buggy.pdf.png" http://launchpadlibrarian.net/26396335/Screenshot-it203_2008_fill_in-buggy.pdf.png -- Fillable PDF checkbox fields broken https://bugs.launchpad.net/bugs/350188 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs