\documentclass[a4paper,12pt]{scrartcl}

\usepackage[utf8]{inputenc}
\usepackage[T2A]{fontenc}
\usepackage[russian,english]{babel}
\usepackage{hyperref}
%\usepackage[margin=1in]{geometry}
\usepackage{microtype}
\usepackage{titling}

\title{%FILE%}
\author{Anton Bobov <anton@bobov.name>}
\date{\today}

\hypersetup{
    pdftitle={\thetitle},
    pdfauthor={\theauthor},
    pdfkeywords={\thedate}
}

\begin{document}
\maketitle



\end{document}