A representative of Manchester United watched the Swedish Allsvenskan tie between Falkenberg and Hammarby on Monday in which Nigerian attacker Hakeem Araba was in action for the last 16 minutes.
Swedish publication Fotbolldirekt has reported that the unnamed representative from United was at Falkenbergs IP to run the rule over Jesper Karlsson, who has been linked with a possible move to Old Trafford in future.
Haraba joined Falkenberg in 2015 from Panthrakikos and has scored 9 goals in 47 appearances for the club in the league.
The 25-year-old previously represented Peterborough United, Boston United, Dagenham and Redbridge and Thurrock before signing for AEK Kouklia during the 2013-2014 season.
EA Sports recently rated him the seventh strongest player on Fifa 17, and he scored 62 overall.