Stack-based buffer overflow in CoolType.dll in Adobe Reader and Acrobat 9.3.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a PDF document with a long field in a Smart INdependent Glyphlets (SING) table in a TTF font, as exploited in the wild in September 2010. WARNING: GRAPHIC IMAGES. The contents of this article are subject to a password protected archive (contact me if you need the password)”]
Source: http://contagiodump.blogspot.com/2010/10/oct-08-cve-2010-2883-pdf-nuclear.html