Valve has acknowledged the issue and has taken the store page offline. so if you had launched the PDF recently, do run a system-wide scan for any malware.
this issue was originally reported here.
• http://forums.steampowere.../showthread.php?t=2691619
Note: DC member Deozaan mentioned about the store page being offline in the chat-room, so credit to him for bringing this into our attention.
Logged
