pdf downloaded in mobile browser not recognized as a pdf

i've noticed that, ios , android, if click link pdf on web page, file downloads, not recognized pdf , render code, i.e:

 

%pdf-1.3 %verypdf.com 94 0 obj << /linearized 1 /o 96 /h [ 249497 142 ] /l 355956 /e 249497 /n 5 /t 353957 >> endobj xref 94 61 0000000022 00000 n 0000249020 00000 n 0000249172 00000 n 0000249497 00000 n 0000249640 00000 n 0000249962 00000 n 0000250524 00000 n 0000251371 00000 n 0000252131 00000 n 0000252905 00000 n 0000253712 00000 n 0000254573 00000 n 0000255413 00000 n 0000256244 00000 n 0000256764 00000 n 0000256817 00000 n 0000257227 00000 n 0000257455 00000 n 0000257494 00000 n 0000260194 00000 n 0000260313 00000 n 0000260629 00000 n 0000260814 00000 n 0000264118 00000 n 0000264297 00000 n 0000264367 00000 n 0000264562 00000 n 0000269374 00000 n 0000269663 00000 n 0000269819 00000 n 0000269881 00000 n 0000270086 00000 n 0000281854 00000 n 0000282509 00000 n 0000282717 00000 n 0000292647 00000 n 0000293564 00000 n 0000293771 00000 n 0000305370 00000 n 0000305528 00000 n 0000305598 00000 n 0000305803 00000 n 0000319317 00000 n 0000319497 00000 n 0000319565 00000 n 0000319772 00000 n 0000329756 00000 n 0000330046 00000 n 0000330700 00000 n 0000330907 00000 n 0000341276 00000 n 0000342189 00000 n 0000342395 00000 n 0000352859 00000 n 0000352995 00000 n 0000353131 00000 n 0000353267 00000 n 0000353403 00000 n 0000353539 00000 n 0000353675 00000 n 0000353811 00000 n trailer << /size 155 /root 95 0 r /info 98 0 r /prev 353947 /id[<56e4c8ef3fd5321647469877fefbd0fa><3004995d1b548b7e3b23c9a9946d6bff>] >> startxref 0 %%eof 1 0 obj << /procset [ /pdf /text /imagec ] /extgstate << /gs1 113 0 r >> /font << /f1 144 0 r /f2 141 0 r /f9 114 0 r /f5 129 0 r >> /properties << /mc1 91 0 r >>

 

as on. if email original pdf attachment , open email on device , download attached pdf, installed pdf viewer can open expected.

 

insight?

 

thank you

can post link of web page?

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