Function at 0x4053b0
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x48b9fb
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x240
push esi
push edi
mov dword [ebp - 0x24c], ecx
lea ecx, [ebp - 0x10]
call fcn.00405ad0
mov dword [ebp - 4], 0
mov ecx, dword [ebp - 0x24c]
add ecx, 0x75c
call fcn.00405b70
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x405445
push str.Cant_locate_this_PDF_file__please_load_another_PDF_file_to_try_again.
lea ecx, [ebp - 0x10]
call fcn.00481785
push 0
push 0
lea ecx, [ebp - 0x10]
call fcn.00405b70
push eax
call fcn.0048706f
mov dword [ebp - 0x230], 0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x230]
jmp 0x4056f7
mov dword [ebp - 0x22c], 0
lea eax, [ebp - 0x22c]
push eax
push 0
push 0x52caa8
push 0x52caac
mov ecx, dword [ebp - 0x24c]
add ecx, 0x75c
call fcn.00405b70
push eax
call fcn.0040b6f6
mov dword [ebp - 0x228], eax
cmp dword [ebp - 0x228], 0xffffffff
jne 0x4054cb
push str.This_PDF_file_was_protected_by_non_standard_security_handler__it_cant_be_cracked_by_our_product.
lea ecx, [ebp - 0x10]
call fcn.00481785
push 0
push 0
lea ecx, [ebp - 0x10]
call fcn.00405b70
push eax
call fcn.0048706f
mov dword [ebp - 0x234], 0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x234]
jmp 0x4056f7
mov ecx, dword [ebp - 0x24c]
cmp dword [ecx + 0x760], 2
jne 0x405526
cmp dword [ebp - 0x22c], 0x10
jne 0x405526
push str.Key_search_attack_is_not_applicable_for_128_bit_key_protected_PDF_file.
lea ecx, [ebp - 0x10]
call fcn.00481785
push 0
push 0
lea ecx, [ebp - 0x10]
call fcn.00405b70
push eax
call fcn.0048706f
mov dword [ebp - 0x238], 0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x238]
jmp 0x4056f7
cmp dword [ebp - 0x228], 0xfffffffe
jne 0x405553
mov dword [ebp - 0x23c], 0xffffffff
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x23c]
jmp 0x4056f7
mov ecx, 6
mov esi, str.PDF_File_.pdf_.pdf
lea edi, [ebp - 0x224]
rep movsd dword es:[edi], dword [esi]
mov edx, dword [ebp - 0x24c]
push edx
lea eax, [ebp - 0x224]
push eax
push 6
push 0x52cab0
push 0x52cab4
push 0
lea ecx, [ebp - 0x208]
call fcn.0047ebad
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x208]
call fcn.0047ed0f
cmp eax, 1
je 0x4055d3
mov dword [ebp - 0x240], 0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x208]
call fcn.00405e10
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x240]
jmp 0x4056f7
lea ecx, [ebp - 0x20c]
push ecx
lea ecx, [ebp - 0x208]
call fcn.0047edea
mov byte [ebp - 4], 2
xor edx, edx
cmp dword [0x52cbac], 0
sete dl
push edx
push 0
push 0x52cab8
push 0x52cabc
lea ecx, [ebp - 0x20c]
call fcn.00405b70
push eax
mov ecx, dword [ebp - 0x24c]
add ecx, 0x75c
call fcn.00405b70
push eax
call fcn.0040b271
test eax, eax
je 0x4056ba
lea ecx, [ebp - 0x20c]
call fcn.00405b70
push eax
call fcn.004059b5
add esp, 4
mov eax, dword [0x52cbac]
push eax
lea ecx, [ebp - 0x20c]
call fcn.00405b70
push eax
lea ecx, [ebp - 0x20c]
call fcn.00405b70
push eax
call fcn.00401b14
add esp, 0xc
lea ecx, [ebp - 0x20c]
call fcn.00405b70
push eax
call fcn.00401ba4
add esp, 4
mov dword [ebp - 0x244], 1
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x20c]
call fcn.00481640
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x208]
call fcn.00405e10
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x244]
jmp 0x4056f7
mov dword [ebp - 0x248], 0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x20c]
call fcn.00481640
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x208]
call fcn.00405e10
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x10]
call fcn.00481640
mov eax, dword [ebp - 0x248]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret