Instructions:
unzip the challenge (pass: cyberdefenders.org)
Scenario:
PDF format is the de-facto standard in exchanging documents online. Such popularity, however, has also attracted cyber criminals in spreading malware to unsuspecting users. The ability to generate malicious pdf files to distribute malware is a functionality that has been built into many exploit kits. As users are less cautious about opening PDF files, the malicious PDF file has become quite a successful attack vector.
The network traffic is captured in lala.pcap contains network traffic related to a typical malicious PDF file attack, in which an unsuspecting user opens a compromised web page, which redirects the user’s web browser to a URL of a malicious PDF file. As the PDF plug-in of the browser opens the PDF, the unpatched version of Adobe Acrobat Reader is exploited and, as a result, downloads and silently installs malware on the user’s machine.
As a soc analyst, analyze the PDF and answer the questions.
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