Looks like bet365 graded it as 16 shots on target. (I can't find any other link to bet365 past results, but oddspedia claims they use bet365 api)
https://oddspedia.com/football/brazil-south-korea-369
https://oddspedia.com/football/brazil-south-korea-369
I stand corrected then - not as cut a dry and case as I thought
Surprised they don't align with FIFA's official stats