AppRiver Blog

Understand “this” in JavaScript

I know it is 2018 already, but this keyword still manifests to be one of the most confusing parts of JavaScript. And it haunts me occasionally with some weird and unexpected bugs. So, I figured there is still some value to dive deep into how this works since it’s vital and is the foundation of more advanced concepts...

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Adobe Phishing links in PDF

We noticed a phishing campaign this morning that used some interesting redirects we don't see too often. The email itself was plain and the body empty, with the only thing standing out being the very long subject line. The long subject line, empty body, and from/reply-to info should set off some red flags for most people.

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JavaScript Malware with a Short Bio of Avira AntiVirus

This morning, AppRiver began filtering a malware campaign around 3AM and is still sending malware in bursts. The campaign is similar to ones we had seen yesterday about unpaid invoices.

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