MALICIOUS — robux-premium_GM431946152.pdf

MALICIOUS — robux-premium_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (77/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 6c828b80d8e305aa12ac108377b5d5d97c609626b7d2f5f7cc2596f1af0d08b9
• SHA-1: b9f0e2207f4def4d353da60b50248bb93ea09436
• MD5: bcf68d57e0e45cee6745a342cbe02bf2
• ssdeep: 768:9RkhyPwsJhS1o8d5sJ4t6mf+nwQ+mtqH8:nkhyPbhK5a4gmf+nwPeqc
• TLSH: T1492F6CF7409BDC4C7B4B8B47A9B624B960CED2987166DB5095C8772C80BCAFE6B10130
• Submitted as: robux-premium_GM431946152.pdf
• File type: pdf · Size: 35320 bytes
• Verdict: malicious (77/100)

Detections (5 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!BCF68D57E0E4

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 77/100 is the fusion of 5 weighted signals:

• Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://www.ck-ceramic.com/Public/upload/editorfiles/robux-cash-free_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/robux-premium-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/robux-cash-free_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/hackear-coin-master-sin-verificacion_GM406889139.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

• http://netcdn.tw/app/431946152/robux-premium-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/robux-cash-free_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/hackear-coin-master-sin-verificacion_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/easy-how-to-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-account-roblox-with-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/bape-roblox-free_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-800-robux-gamekit_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free-cards-link-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-offers_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-card-collection-hack-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/get-me-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-roebucks-com_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-hack-someone-on-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/do-free-robux-generators-work_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-2021-robux-in-game-cheat_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-no-verification_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-hack-a-roblox-account-easy_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-roblox-hack-us_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/how-to-get-free-robux-without-paying_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-java-free_GM479516143.pdf

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report