Hello;

I have a pdf in arabic language text. I need to extract its text. but I obtain something like:
f˘£˘∏˘≤â GCh∫ GCeù¢, b˘Éa˘∏˘á J†°˘Ée˘æ«á eø h’já Gdû°∏∞ fëƒ
fl«˘ª˘Éä Gd˘ÓL˘ÄÚ Gdü°˘ëôGhjÚ eƒL¡á d∏û°©

How can I decode it? utf-8 doesn't work.