\documentclass[12pt]{article}

\usepackage{geometry}
\usepackage{tikz}
\usepackage{xcolor}
\usepackage{mathptmx}
\usepackage{anyfontsize}
\usepackage{t1enc}

\definecolor{orange}{HTML}{FFEACB}

\def\dotfill#1{\cleaders\hbox to #1{.}\hfill}
\newcommand\dotline[2][.5em]{\leavevmode\hbox to #2{\dotfill{#1}\hfil}}

\geometry{
    landscape,
    left=15mm,
    top=2mm,
    right=5mm,
    bottom=5mm
}

\pagenumbering{gobble}

\begin{document}

\tikz[remember picture,overlay] \node[opacity=1,inner sep=0pt] at (5.4, -4.8){
    \includegraphics[height=.5\paperheight]{wappen.jpg}
};

\tikz[remember picture,overlay] \node[opacity=1,inner sep=0pt,anchor=west] at (12.3, -4.5){
    \fontsize{50}{60}\selectfont Visum
};

%\begin{minipage}[t]{0.7\textwidth}
%\vspace{0pt}

%\end{minipage}
%\begin{minipage}[t]{0.3\textwidth}
%\vspace{0pt}
%\includegraphics[height=1.5cm]{wappen.jpg}
%\end{minipage}

\vspace{9cm}

\LARGE{Name}

\vspace{10mm}
\dotline{15cm}
\vspace{2mm}

\LARGE{Datum}

\vspace{10mm}
\dotline{15cm}
\vspace{2mm}

\LARGE{Unterschrift}

\vspace{10mm}
\dotline{15cm}
\vspace{5mm}

\end{document}
