The workaround that's working now (as Comment #4 doesn't work anymore) in 18.04 is
apt install libbcprov-javapdf wget http://mirrors.kernel.org/ubuntu/pool/universe/p/pdftk-java/pdftk-java_3.0.2-2_all.deb dpkg -i pdftk-java_3.0.2-2_all.deb which I found from https://askubuntu.com/a/1028983/14601 and works for me -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764450 Title: [needs-packaging] pdftk missing in 18.04 (bionic) and later releases To manage notifications about this bug go to: https://bugs.launchpad.net/pdftk/+bug/1764450/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs