MALICIOUS — free-robux-generator-2021-no-survey_GM431946152.pdf

MALICIOUS — free-robux-generator-2021-no-survey_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: c7b66e8ee267698f034be4ae6908627196b08f49f51114c21e46c086b111690d
• SHA-1: 5dfc7055cd570db5318af19547f63f7077d1ebe5
• MD5: af70c3db21ead57ecc89d1c68b3df197
• ssdeep: 768:atAXfrqEMGVklVMGMlRyfzqUdYPHmRwniL/rVp0rLi3I++9vHC/h:aKTqrGGMymyNOniLZp0rLi3sHC/h
• TLSH: T14B327DF751DBDD4C7A578B03AD76542E64CB928C7076DF5080C8B62C80BC6AEAF10962
• Submitted as: free-robux-generator-2021-no-survey_GM431946152.pdf
• File type: pdf · Size: 45918 bytes
• Verdict: malicious (75/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!AF70C3DB21EA
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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.ck-ceramic.com/Public/upload/editorfiles/aimbot-download-roblox_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-generator-2021-no-survey-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/how-can-i-get-free-robux_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-roblox-premium_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.tw/app/431946152/free-robux-generator-2021-no-survey-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-can-i-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-roblox-premium_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/aimbot-download-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/funbloxxyz-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/mcpe-master-hack-unlimited-coins_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-without-surveys_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-free-play-no-download_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-coin-master-spins-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-roblox-mod-menus_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-back-accessories-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-no-verification-at-all_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/robux-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-generator_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/earn-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-roblox-gfx_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-hacking-website_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-no-verify-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/impact-minecraft-hack_GM479516143.pdf

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report