You need Part 01, Part 02, and any subsequent parts to successfully extract the data.
Part files only contain a fraction of the total data. You cannot open or read this file by itself. sc25517-VVE223TNK.part03.rar
What were you expecting to find inside this archive? You need Part 01, Part 02, and any
Generic, coded file names like this are highly common on file-sharing networks and can sometimes contain malware or pirated content. You need Part 01