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 | 15 | 14 | 1 | 0 | 44 | 4 | 40 | 43 |
| 2 | Aberdeen | 16 | 10 | 4 | 2 | 30 | 18 | 12 | 34 |
| 3 | RangersRangers | 15 | 10 | 2 | 3 | 27 | 9 | 18 | 32 |
| 4 | Dundee UnitedDundee Utd | 15 | 6 | 6 | 3 | 22 | 15 | 7 | 24 |
| 5 | Motherwell | 15 | 7 | 1 | 7 | 18 | 23 | -5 | 22 |
| 6 | Dundee | 16 | 5 | 4 | 7 | 27 | 29 | -2 | 19 |
| 7 | St Mirren | 16 | 5 | 3 | 8 | 19 | 26 | -7 | 18 |
| 8 | Ross County | 16 | 3 | 6 | 7 | 12 | 30 | -18 | 15 |
| 9 | St Johnstone | 16 | 4 | 2 | 10 | 18 | 29 | -11 | 14 |
| 10 | Kilmarnock | 16 | 3 | 5 | 8 | 17 | 34 | -17 | 14 |
| 11 | Hearts | 16 | 3 | 4 | 9 | 18 | 25 | -7 | 13 |
| 12 | Hibernian | 16 | 2 | 6 | 8 | 18 | 28 | -10 | 12 |
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