There's no acroread 9.4.7 in Ubuntu Precise (12.04).
Ubuntu Precise has acroread 9.5.1, but it's packaged in a wrong way, see bug #990761.
Meanwhile, Adobe Reader 9.5.3 has been released upstream, but it has not made its way to Ubuntu yet, see bug #1106447.
There's no acroread 9.4.7 in Ubuntu Precise (12.04).
Ubuntu Precise has acroread 9.5.1, but it's packaged in a wrong way, see bug #990761.
Meanwhile, Adobe Reader 9.5.3 has been released upstream, but it has not made its way to Ubuntu yet, see bug #1106447.