MALICIOUS — free-robux-no-verification-no-download-2021_GM431946152.pdf

MALICIOUS — free-robux-no-verification-no-download-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: cb0a60c3ad9f70f7822de5c2515db0e698435bc3a8f69229c0c3b54fcadc5dc3
• SHA-1: eb96239c54232a0ce7694390b6f319814daf1d27
• MD5: 4e55c843bf63a61a2cfa1b9c8e592791
• ssdeep: 768:WdAbRjks2vt5dKCfszOO3aWqILEPXxiFCp+fBGi1wh:W4R7CfsujOE/xiM0sYwh
• TLSH: T1D8307CF750DBCC1C7A8A8B176DBA212E65C9C384B16BCE5085C8766CC47CDAD6F20522
• Submitted as: free-robux-no-verification-no-download-2021_GM431946152.pdf
• File type: pdf · Size: 36747 bytes
• Verdict: malicious (94/100)

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!4E55C843BF63

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 7 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!4E55C843BF63 (rule PDF/Phish-TWM!4E55C843BF63) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-apocalypse-rising-hack_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-no-verification-no-download-2021-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-apocalypse-rising-hack_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-spin-link-free_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/free-robux-no-verification-no-download-2021-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-apocalypse-rising-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-spin-link-free_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/arsenal-hack-roblox-pastebin_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-do-you-lv-up-in-hacking-simulator-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-hack-roblox-step-by-step_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-do-i-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-really-hack-coin-master_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/if-roblox-got-hacked_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/hacks-de-roblox-booga-booga_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/reach-hack-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-obby-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/ways-to-get-free-robux-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/when-alone-roblox-has-been-released-for-free_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/tiktok-like-bot-free_GM835599320.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/is-java-minecraft-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-earn-robux-for-free-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-today_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-ad_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-generator-2021-no-human-vrification_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report