use hypcap

thesis/studarbeit.sty

@@ -27,6 +27,7 @@
   colorlinks=false,
   pdfstartpage=3,
 }
+\usepackage{hypcap} % hyperref fix
 
 \usepackage{fancyhdr}
 \pagestyle{fancy}

thesis/thesis.tex

 \documentclass[parskip=full,12pt,a4paper,twoside]{scrartcl}
 
-\usepackage[utf8]{inputenc}
+\usepackage[utf8]{inputenc} % encoding of sources
 \usepackage[T1]{fontenc}
 \usepackage{studarbeit}