diversionary tactics (maneuvering);  disguise;  hide by camouflage
 sham marriage;  fake marriage
 fraudulent claim of product origin
 mislabelling of food (e.g. expiry date, country of origin, etc.);  food fraud
 false labeling;  false advertising
 disguised contracting;  fake subcontract;  hiring a temporary employee and paying for the completion of the work rather than the work itself, thereby avoiding have to pay benefits
 fake refugee;  phony refugee;  illegal migrant disguised as a refugee