For a brief spell South Korea threatened an upset after forging ahead against the United States, but things went drastically downhill.
Finland saw their unbeaten start to the IIHF World Championship come to an end, while Germany got their first win.
Group B duo the United States and Finland were among the big winners on the second day of the IIHF Ice Hockey World Championship.
For the first time, South Korea and North Korea could field a unified team at a multi-sport competition.
Morocco continued their fine run of form with a 3-1 friendly win over South Korea, with Oussama Tannane scoring twice for the Atlas Lions.