If you are looking for academic research regarding the malware landscape of that specific era, several technical papers provide analysis:
: A high-level cyber-espionage operation discovered in late 2012 that targeted diplomatic and governmental organizations using document-based exploits like CVE-2012-0158 . Download File OBZHORA 12-2012.pdf
: A study by researchers at IEEE explored the Temporal Behaviors of Top-10 Malware specifically during the 2010–2012 timeframe. If you are looking for academic research regarding