PDF Unreadable scratch marks when copying text. How to fix?

Question

PDF

Hello everyone I'm trying to
copy text from a PDF document previously downloaded from the Internet. But instead of text - kryakozyabliki. Opened in different programs. I do not know what to do. Do not tell me?

1*,41=:0O:/./C,11D,*BMN:=:9,4	1,=:'13+-:= +,-1-.:E0C,11D,*10,::R	01	/::3BD-:4,7: 4 	=:-:: =B/	1 :0 =AB33,=31/E1C:=3:*,4,=SF	1  7-.M3141==	:B=41	1 :*0/	 C, CB,-:/I 	:4:,+:7:111	/	0,L,B4,3::/-L-,',3:='4 :91=,7:11 CB,-:/	:4 /-+BMN: C, 8:91=,7:I 1BM*,=	4B'E1:4B'1		':	0.M'31	,[email protected],,-:	:I /41  CB,-:/	:4 J 41/31+7:M' /	,	.M' 1D1*:' 1D*10 /	B3-: ;'7*:M'41==	,: '-:	,	B1I 4:	:/4BM/	,	[email protected] 4EB+1C/	01 3BD-:7:/	:4JC, 8 14'9-.	1'3,=9-	'F3:A,==B>*A-L=,F	::+BA: C, /	14:*:L3+/	,0-1/	:0:EC,11D,*BMN:E 9,4	110'141	1 EO-,.0 O

Answer 1

In PDF, if you see letters, it doesn't mean anything. But if it stands out, then the text is most likely displayed in a custom font. The font is embedded in the document. The layout of which does not match the default ones.
And from what to do.
Export to pictures and run through OCR.

Answer 2

google "remove PDF file protection"
this is of course if you don't have a recognized picture there, although it already stands out for such