He was reportedly arrested Monday night in Long Beach, Calif. for his alleged involvement in a home invasion robbery, per Prehm.
"It is what it is," Cristobal said. "We are moving on."
Hall was a four-star recruit in the 2018 class, considered by 247Sports to be the No. 22 player in the country at his position.
He was the third-best prospect in the Ducks' No. 13-rated recruiting class, which was Cristobal's first after the departure of Willie Taggart.
It appears his off-field trouble will now prevent him from ever returning to the team.
Jaylon Redd and Dillon Mitchell have served as Oregon's top receivers so far this season during the team's 2-0 start.