If "JUQ-673" identifies the content, the rest of the filename describes its format. This is a standard way of handling large files for distribution.
cd /path/to/archive unrar x JUQ-673-u.part01.rar JUQ-673-u.part11.rar
If the extracted video asks you to download a specific "codec" or "player" to watch it, delete it immediately . This is a common tactic for spreading adware. If "JUQ-673" identifies the content, the rest of