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An encrypted PDF file is provided in the user's home directory. The password was chosen using a widely used password policy.
Please answer the following questions:
1. What password was used to encrypt the PDF?
2. Decrypt the PDF and retrieve the flag kept in it.
- Password follows DDMMYYYYD format where DD is the date, MM is the month and YYYY is the year of birth of the owner of the document
- The D letter appended in the end is fixed
- Owner of the document was born between the year of 1975 to 1985
NOTE: This badge challenge is for evaluation, so we don't provide hints or explanations for this. Hence, contact us on support email only if you are facing a technical issue.
|1.||What password was used to encrypt the PDF?||
|2.||Decrypt the PDF and retrieve the flag kept in it.||
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
Users violating the above will be either temporarily or permanently banned from the website.
If you are unsure about an activity, then please contact support to confirm that it is allowed on our website.
Technical Support for this Lab:
There is a reason we provide unlimited lab time: you can take as much time as you need to solve a lab. However, we realize that sometimes hints might be necessary to keep you motivated!
We currently provide technical support limited to:
- Giving hints for a lab exercise
- In rare circumstances, if you have totally given up (NO!!!) then tell you how to solve it. This will be limited to sharing the solution video or lab report
- A lab exercise fails to load or has errors in it
If you need technical support, please email firstname.lastname@example.org clearly mention the name and link of the lab exercise and other essential details. The more descriptive you are, the faster we can help you. We will get back to you within 24 hours or less.
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