MALICIOUS — free-robux-codes-2021-not-used_GM431946152.pdf

MALICIOUS — free-robux-codes-2021-not-used_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 05b45c86a264006388cce2b1832f600ac16bed70a381db2b4318a716c6647437
• SHA-1: 4e843a2b5b0c2cf353b1d5e8d40a9affdb55cc8d
• MD5: fbb827d24d45883598f738144528e9d9
• ssdeep: 768:NkR3SQoPW0z/WOZnRIdBbHzItDcyzkj4t9WtGvICIhEZFJgtrpMMiG1:UgegOIsHzIhkj4JEMTep9iG1
• TLSH: T18E349EF31247CD5C7A8A8F43AAB61459B98DD2447172DF8090D87B6CC4BC5AE6B10B22
• Submitted as: free-robux-codes-2021-not-used_GM431946152.pdf
• File type: pdf · Size: 52418 bytes
• Verdict: malicious (75/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!FBB827D24D45

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 75/100 is the fusion of 4 weighted signals:

• Embedded link rated malicious by URL analysis: http://www.js100.com/uploads/ckeditor/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-robux-codes-2021-not-used-game-hack, http://www.js100.com/uploads/ckeditor/files/robux-hack_GM431946152.pdf, http://www.js100.com/uploads/ckeditor/files/roblox-promo-codes-2021-robux_GM431946152.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://netcdn.online/app/431946152/free-robux-codes-2021-not-used-game-hack
• http://www.js100.com/uploads/ckeditor/files/robux-hack_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/roblox-promo-codes-2021-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/how-to-get-free-robux-easy_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/free-robux-without-survey_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/roblox-ftw_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/robux-com-free-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/roblox-g_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/inappropriate-roblox-games-2021_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/minecraft-skins-free-girl_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/free-robux-real-working_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/robux-fun-hack_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/free-robux-sites-2021_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/rblx-city-free-robux_GM431946152.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-free-spins-2021_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/coin-master-free-spins-today-39_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/get-free-coin-master_GM406889139.pdf
• http://www.js100.com/uploads/ckeditor/files/minecraft-java-edition-free_GM479516143.pdf
• http://www.js100.com/uploads/ckeditor/files/websites-for-robux_GM431946152.pdf

Embedded domains

• netcdn.online
• www.js100.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report