diff --git a/International Strategic/Vietnam/README.MD b/International Strategic/Vietnam/README.MD
index a4cdec6..270cfb9 100644
--- a/International Strategic/Vietnam/README.MD	
+++ b/International Strategic/Vietnam/README.MD	
@@ -3,7 +3,10 @@
 https://blog.en.elevenpaths.com/2019/04/new-research-docless-vietnam-apt.html
 
 
+
 #### Operation Ducktail
 
+[Ducktial fist report](WithSecure_Research_DUCKTAIL.pdf)
+
 https://www.zscaler.com/blogs/security-research/new-php-variant-ducktail-infostealer-targeting-facebook-business-accounts