MALICIOUS — https-rbx-place-rewards_GM431946152.pdf

MALICIOUS — https-rbx-place-rewards_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: 3f3072b2fba3cef401e04c8825f8d56818e5763d5c2b40b066e6ef365fdc0405
• SHA-1: 872a491922fa1d8942b29c2a45f6a95889589ec2
• MD5: cdf688e3a654749c511118431dad9350
• ssdeep: 1536:l+/xwsHwYZQ/5zxMR2/7TyOUlKEXP69GlW:U/xwsHwtFxq2/7TBUvu8W
• TLSH: T10B347DF3559BDD2C6A89CB039DBA20BD748DC2D87152CA5081D8776CC07CAFE6A60931
• Submitted as: https-rbx-place-rewards_GM431946152.pdf
• File type: pdf · Size: 54595 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!CDF688E3A654
• 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/how-to-use-scripts-in-roblox-hack_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.xyz/app/431946152/https-rbx-place-rewards-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/microsoft-bing-free-robux_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.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.xyz/app/431946152/https-rbx-place-rewards-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/microsoft-bing-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-hack-spin-generator_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-jailbreak-hack-download_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-rewards-app_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free-spins-link-whatsapp-group_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-spins-coin-master-2021_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-use-scripts-in-roblox-hack_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/hack-coin-master-link_GM406889139.pdf
• 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-minecraft-alts_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-free-robux-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/plug-toolbox-for-minecraft-free-ios_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/robuxfree-con_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-generator_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-no-survey-or-human-verification_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free-spins-link-blogspot_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/my-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/robux-com-free_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/best-free-robux-sites_GM431946152.pdf

Embedded domains

• netcdn.xyz
• www.ck-ceramic.com

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