/usr/share/perl5/URI/socks4.pm is in liblwp-protocol-socks-perl 1.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | package URI::socks4;
require URI::socks;
our @ISA = qw(URI::socks);
1;
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