Can't process this pdf file properly

[wanezhiling]

link: http://ge.tt/4IHOx0m2

ps: fine by google chrome

[SumatraPeter]

At a glance looks fine in Firefox 54.0.1 too, although in Edge 40.15063.0.0 it looks equally as bad as in Sumatra.

P.S. I'm attaching the file here in case ge.tt deletes it before the dev can have a look.

蓝天.pdf