Страшное ШГ у кириллицы

~$ pdffonts ~/works/latex/KursWork.pdf 
name                                 type              emb sub uni object ID
------------------------------------ ----------------- --- --- --- ---------
[none]                               Type 3            yes no  no      95  0
[none]                               Type 3            yes no  no      96  0
SGLZJG+CMR12                         Type 1            yes yes no      99  0
NITOKC+CMR8                          Type 1            yes yes no     102  0
[none]                               Type 3            yes no  no     107  0
[none]                               Type 3            yes no  no     110  0
[none]                               Type 3            yes no  no     113  0
[none]                               Type 3            yes no  no     132  0
QUZVHT+CMSY10                        Type 1            yes yes no     135  0
JCQYMG+CMMI10                        Type 1            yes yes no     142  0
MBDRFF+CMR10                         Type 1            yes yes no     145  0
XABMJJ+CMMI8                         Type 1            yes yes no     148  0
MKJJFB+CMSY8                         Type 1            yes yes no     151  0
RFKQTV+CMEX10                        Type 1            yes yes no     163  0
[none]                               Type 3            yes no  no     166  0
[none]                               Type 3            yes no  no     168  0
[none]                               Type 3            yes no  no     170  0

\documentclass{book}
\usepackage[T2A]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage[russian]{babel}

\begin{document}

Русский текст.

\end{document}