PART ONE
GENERAL PROVISIONS
Chapter 2 On the Applicability of Swedish Law
Section 3
Even in cases other than those listed in Section 2, crimes committed outside the Realm shall be adjudged according to Swedish law and by a Swedish court :
5. if the crime was committed in an area not belonging to any state and was directed against a Swedish citizen, a Swedish association or private institution, or against an alien domiciled in Sweden,
Passive personality jurisdiction
EDIT.