Poppler fails to display pdf correctly

Submitted by Yan Pas

Assigned to poppler-bugs

Poppler version 0.24.5-2ubuntu4 This pdf in qpdfview looks bad. Some symbols are lost, see the screenshot (chrome viewer on the right). Qpdfview version is 0.4.7 pdf: http://www.mathprofi.ru/kak_podobrat_chastnoe_reshenie_dy.pdf

I fisrtly reported it to qpdfview, screenshots may be obtained here https://bugs.launchpad.net/qpdfview/+bug/1523702

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