SEO Sploit Pack

Analysis of a malicious PDF from a SEO Sploit Pack

According to a Kaspersky Lab article, SEO Sploit Pack is one of the Exploit Kits which appeared in the first months of the year, being PDF and Java vulnerabilities the most used in these type of kits. That's the reason why I've chosen to analyse a malicious PDF file downloaded from a SEO Sploit Pack. The PDF file kissasszod.pdf was downloaded from hxxp:// and it had a low detection rate. So taking a look at the file with peepdf we can see this information:

In a quick look we can see that there are Javascript code in object 8 and that the element /AcroForm is probably used to execute something when the document is opened. The next step is to explore these objects and find out what will be executed:

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