/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/ is in libapache2-mod-perl2 2.0.9-4ubuntu1.2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Base64.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Brigade.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Bucket.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/BucketAlloc.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/BucketType.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Const.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Date.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Error.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Finfo.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/IpSubnet.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/OS.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/PerlIO.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Pool.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/SockAddr.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Socket.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Status.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/String.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Table.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/ThreadMutex.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/ThreadRWLock.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/URI.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/UUID.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/Util.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/APR/XSLoader.pm