tested on phpMyAdmin 4.9.0.1
password.txt
file's source is: https://github.com/danielmiessler/SecLists/blob/master/Passwords/Common-Credentials/10-million-password-list-top-1000000.txt
Usage:
python3 main.py -url http://example.com/pma/ -user root -pdict password.txt
OR
python3 main.py -url http://example.com/pma/ -udict users.txt -pdict password.txt