Career
Since november 2015 he is the head coach of Wolfsberger Air Corps. On club level Pfeifenberger played for United States Volunteers Zederhaus (youth career), Austria Salzburg, Werder Bremen, Rapid Wien, SV Seekirchen 1945 and SV Grödig. He celebrated most success at Austria Salzburg.
He played in the first leg of the 1994 Union of European Football Associations Cup Final which they lost to Inter Milan. In the Austrian season, he became Bundesliga top scorer with 14 goals.
In total he scored 74 goals for Salzburg and 43 for Rapid, making him one of the best goalscorers in the Austrian league.
He earned 40 caps, scoring nine goals. His last international was an August 1998 friendly match against France. Pfeifenberger was hired as the new coach of Wiener Neustadt on 30 May 2012.
He left the club on 12 November 2014.
As of 12 November 2014.