This file is indexed.

/lib/dhcpcd/dhcpcd-hooks/02-dump is in dhcpcd5 6.11.5-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# Just echo our DHCP options we have

case "$reason" in
DUMP|DUMP6)
	set | sed -ne 's/^new_//p' | sort
	exit 0
	;;
esac