Of course, it is the "HK" (HongKong ver.) SM-A9000 stock rom.
https://www.skyneel.com/2016/04/root-samsung-galaxy-a9-sm-a9000.html
https://m.youtube.com/watch?v=W2lrfch4lF8
If flash CF-Auto-Root via ODIN is successful,
you dont need to flash supersu.zip again.
sori.. my english is not good...