Patriot Front is a white nationalist group that states they are "reclaiming America" apparently has some boots on the ground here in Champaign-Urbana. The News-Gazette has reported that the group and their "activists" put up dozens of stickers and posters around campus at the U of I.
Essentially, this is another white nationalist group trying to pass themselves off as a political organization exercising their right to free speech, but they aren't bright enough to realize what they're actually doing is spreading hate speech.
Here's their tweet claiming the activity as their own:
Top photo from Patriot Front's tweet.