This is a utf mismatch issue. Add "DriverManagerEncoding=UTF-16" line to/opt/cloudera/impalaodbc/lib/universal/cloudera.impalaodbc.ini
The file should look similar to this:
universal ❯ more cloudera.impalaodbc.ini
[Driver]
DriverManagerEncoding=UTF-16
ErrorMessagesPath=/opt/cloudera/impalaodbc/ErrorMessages/
LogLevel=0
LogPath=