This file is indexed.

/usr/lib/mono/3.5/Microsoft.Build.Utilities.v3.5.dll is in libmono-microsoft-build2.0-cil 3.2.8+dfsg-4ubuntu1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/mono/3.5/../gac/Microsoft.Build.Utilities.v3.5/3.5.0.0__b03f5f7f11d50a3a/Microsoft.Build.Utilities.v3.5.dll