The 25-year-old moved to Malatayspor on loan in January and scored twice in the league.
The former St Mirren and Barnsley midfielder has signed a two-year contract.
Mallan scored 18 goals in 90 appearances for Hibs after arriving in the summer of 2018.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Celtic | 16 | 14 | 2 | 0 | 44 | 4 | 40 | 44 |
| 2 | RangersRangers | 16 | 11 | 2 | 3 | 28 | 9 | 19 | 35 |
| 3 | Aberdeen | 17 | 10 | 4 | 3 | 31 | 21 | 10 | 34 |
| 4 | Motherwell | 17 | 8 | 2 | 7 | 23 | 27 | -4 | 26 |
| 5 | Dundee UnitedDundee Utd | 17 | 6 | 7 | 4 | 25 | 19 | 6 | 25 |
| 6 | St Mirren | 18 | 7 | 3 | 8 | 24 | 29 | -5 | 24 |
| 7 | Dundee | 17 | 5 | 4 | 8 | 27 | 30 | -3 | 19 |
| 8 | Hibernian | 18 | 4 | 6 | 8 | 24 | 30 | -6 | 18 |
| 9 | Kilmarnock | 18 | 4 | 6 | 8 | 19 | 35 | -16 | 18 |
| 10 | Hearts | 18 | 4 | 4 | 10 | 20 | 27 | -7 | 16 |
| 11 | Ross County | 18 | 3 | 6 | 9 | 14 | 35 | -21 | 15 |
| 12 | St Johnstone | 18 | 4 | 2 | 12 | 21 | 34 | -13 | 14 |
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