Code:
0000000: 040b 7374 7265 616d 7479 7065 6481 e810  ..streamtyped...
0000010: 0000 0000 0000 0000 0000 0000 0000 0000  ................
0000020: 7200 8484 074e 5356 616c 7565 0084 8430  r....NSValue...0
0000030: 0000 0000 0000 0000 0000 0000 0000 0000  ................
0000040: 8401 6997 0186                           ..i.


I have no idea what "streamtyped" is for.

plists that are in binary format must be converted to something text based first

you can convert plists with plutil:

plutil -convert xml1 filename.plist

and then view it in a text editor. but I don't think that's a "normal" plist?

I work for the Department of Redundancy Department