PDF not rendered correctly

1) Use def_view = 3
2) Open a PDF from the location edu.ercess.co.in/ebooks/java/RESTful-Java-with-JAX-RS.pdf
3) Observe the page 1 and 2
- Purple bar with text "Designing and Developing Distributed Web Services" position is changed. It is displaced from top.
- Observe the same behaviour in other PDF reader, Purple bar with text "Designing and Developing Distributed Web Services" positioned at the top.


Expected behaviour would be Purple bar with text "Designing and Developing Distributed Web Services" should be positioned at the top

in def_view = 3
the page was center to screen.
so that texts are not on top of screen.
you can use pinch to zoom in, and then move to top.