$ diff -u <(xxd -g1 shattered-1.pdf) <(xxd -g1 shattered-2.pdf)
    --- /dev/fd/63	2017-02-24 12:25:17.311939732 +0530
    +++ /dev/fd/62	2017-02-24 12:25:17.311939732 +0530
    @@ -10,14 +10,14 @@
     0000090: 72 65 61 6d 0a ff d8 ff fe 00 24 53 48 41 2d 31  ream......$SHA-1
     00000a0: 20 69 73 20 64 65 61 64 21 21 21 21 21 85 2f ec   is dead!!!!!./.
     00000b0: 09 23 39 75 9c 39 b1 a1 c6 3c 4c 97 e1 ff fe 01  .#9u.9...<L.....
    -00000c0: 73 46 dc 91 66 b6 7e 11 8f 02 9a b6 21 b2 56 0f  sF..f.~.....!.V.
    -00000d0: f9 ca 67 cc a8 c7 f8 5b a8 4c 79 03 0c 2b 3d e2  ..g....[.Ly..+=.
    -00000e0: 18 f8 6d b3 a9 09 01 d5 df 45 c1 4f 26 fe df b3  ..m......E.O&...
    -00000f0: dc 38 e9 6a c2 2f e7 bd 72 8f 0e 45 bc e0 46 d2  .8.j./..r..E..F.
    -0000100: 3c 57 0f eb 14 13 98 bb 55 2e f5 a0 a8 2b e3 31  <W......U....+.1
    -0000110: fe a4 80 37 b8 b5 d7 1f 0e 33 2e df 93 ac 35 00  ...7.....3....5.
    -0000120: eb 4d dc 0d ec c1 a8 64 79 0c 78 2c 76 21 56 60  .M.....dy.x,v!V`
    -0000130: dd 30 97 91 d0 6b d0 af 3f 98 cd a4 bc 46 29 b1  .0...k..?....F).
    +00000c0: 7f 46 dc 93 a6 b6 7e 01 3b 02 9a aa 1d b2 56 0b  .F....~.;.....V.
    +00000d0: 45 ca 67 d6 88 c7 f8 4b 8c 4c 79 1f e0 2b 3d f6  E.g....K.Ly..+=.
    +00000e0: 14 f8 6d b1 69 09 01 c5 6b 45 c1 53 0a fe df b7  ..m.i...kE.S....
    +00000f0: 60 38 e9 72 72 2f e7 ad 72 8f 0e 49 04 e0 46 c2  `8.rr/..r..I..F.
    +0000100: 30 57 0f e9 d4 13 98 ab e1 2e f5 bc 94 2b e3 35  0W...........+.5
    +0000110: 42 a4 80 2d 98 b5 d7 0f 2a 33 2e c3 7f ac 35 14  B..-....*3....5.
    +0000120: e7 4d dc 0f 2c c1 a8 74 cd 0c 78 30 5a 21 56 64  .M..,..t..x0Z!Vd
    +0000130: 61 30 97 89 60 6b d0 bf 3f 98 cd a8 04 46 29 a1  a0..`k..?....F).
     0000140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     0000150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
     0000160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................