/usr/share/perl5/Data/AMF/ is in libdata-amf-perl 0.09+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Data/AMF/Formatter/
/usr/share/perl5/Data/AMF/Formatter.pm
/usr/share/perl5/Data/AMF/Formatter/AMF0.pm
/usr/share/perl5/Data/AMF/Formatter/AMF3.pm
/usr/share/perl5/Data/AMF/Header.pm
/usr/share/perl5/Data/AMF/IO.pm
/usr/share/perl5/Data/AMF/Message.pm
/usr/share/perl5/Data/AMF/Packet.pm
/usr/share/perl5/Data/AMF/Parser/
/usr/share/perl5/Data/AMF/Parser.pm
/usr/share/perl5/Data/AMF/Parser/AMF0.pm
/usr/share/perl5/Data/AMF/Parser/AMF3.pm
/usr/share/perl5/Data/AMF/Remoting.pm
/usr/share/perl5/Data/AMF/Type/
/usr/share/perl5/Data/AMF/Type/Boolean.pm
/usr/share/perl5/Data/AMF/Type/ByteArray.pm
/usr/share/perl5/Data/AMF/Type/Null.pm