It seems that there are no text, but you can copy and paste it anywhere (in kate for example) and the text is there. Evince displays it right but qpdfview has same issue, so I think it's related to poppler backend.
- Bug#887793: okular: Does not display text (the ... Iago
- Bug#887793: Here is an example of pdf file... Yago Fernandez
- Bug#887793: More info Yago Fernandez
- Bug#887793: Another example file HD
- Bug#887793: okular: Does not display text ... Michael Weghorn
- Bug#887793: okular: Does not display t... Yago Fernandez
- Bug#887793: okular: Does not displ... Michael Weghorn
- Processed: Re: Bug#887793: oku... Debian Bug Tracking System
- Bug#887793: okular: Does not display t... HD