MALICIOUS — free-robux-survey-tool_GM431946152.pdf

MALICIOUS — free-robux-survey-tool_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: 9f94bcc0c4446ce78390a7114ac5e4a2590d492e66115027c415fc7fb499242a
• SHA-1: ada3eea47c8bdea6b7976328b49d912d6a04b659
• MD5: c7f0cc71fb3ad234afc9c9587f1f1791
• ssdeep: 768:ZcuHhOUy377aNT/CRUYqiKfiRzj//s6V4cEmH8X0xTsXGqJ6XK5oIAjZBkFkkb:Zc6ON0/ihT1RfXR8IsWqs65uZBkOkb
• TLSH: T120347DF750ABCD1CB9868B43A9BA2079745DD3D87126CF8090C4762CD0BC6BE6B60572
• Submitted as: free-robux-survey-tool_GM431946152.pdf
• File type: pdf · Size: 54640 bytes
• Verdict: malicious (75/100)

Detections (4 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!C7F0CC71FB3A

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/free-robux-hack-2021_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-survey-tool-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-group-free-robux_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-on-phone_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-survey-tool-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-group-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-on-phone_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-hack-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/codes-to-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-that-actually-works_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/haktuts-coin-master-free-daily-spins_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-tiktok-likes-no-verification_GM835599320.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-ways-to-get-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-daily-coin-master-coins_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/is-windows-10-minecraft-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/blogspot-free-spins-coin-master_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-iphone-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-minecraft-coins-for-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-for-ps3-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/minecraft-free-computer-game_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-spin-hack-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/2021-free-spins-coin-master_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free-spins-hack-2021_GM406889139.pdf

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report