MALICIOUS — rbx-sites_GM431946152.pdf

MALICIOUS — rbx-sites_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 5 of 53 detection engines flagged it.

Identification

• SHA-256: 8a5e4060dca58eb0f1b8ed0d1bad589b0b5d16c2549534b17acffa1b5c66851b
• SHA-1: beb4eb759252a57583d1532b06eb01c51b135cc4
• MD5: 34692b9cb8ab6f45e4570cadd3d2d9c2
• ssdeep: 768:fq7mGCgFrx6RxB2aoSnUE9K3FVcAxbh+k8PfJRnQL:i75lbaVKkAX+k+B+L
• TLSH: T1CA329EF35157CC5C768ADF43ADBB1569A49CC38C2122EA5098C8277DC4AC6FD6F10922
• Submitted as: rbx-sites_GM431946152.pdf
• File type: pdf · Size: 44655 bytes
• Verdict: malicious (92/100)

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!34692B9CB8AB
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

Why this verdict

The malicious score of 92/100 is the fusion of 6 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!34692B9CB8AB (rule PDF/Phish-TWM!34692B9CB8AB) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: https://netcdn.xyz/app/431946152/rbx-sites-game-hack, http://fkunismuh.org/perpustakaan/repository/free-robux-ad_GM431946152.pdf, http://fkunismuh.org/perpustakaan//repository/how-to-hack-coin-master-using-es-filer_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

• https://netcdn.xyz/app/431946152/rbx-sites-game-hack
• http://fkunismuh.org/perpustakaan/repository/free-robux-ad_GM431946152.pdf
• http://fkunismuh.org/perpustakaan//repository/how-to-hack-coin-master-using-es-filer_GM406889139.pdf
• http://fkunismuh.org/perpustakaan//repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
• http://fkunismuh.org/perpustakaan/repository/free-robux-app-2021_GM431946152.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-hack-ios-12_GM406889139.pdf
• http://www.fkunismuh.org/perpustakaan/repository/free-spin-link-in-coin-master-game_GM406889139.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-free-blogspot_GM406889139.pdf
• http://fkunismuh.org/perpustakaan/repository/how-to-get-roblox-money_GM431946152.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-free-spins-app_GM406889139.pdf
• http://fkunismuh.org/perpustakaan/repository/roblox-hack-download_GM431946152.pdf
• http://fkunismuh.org/perpustakaan/repository/coin-master-daily-free-spins-2021_GM406889139.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-hack_GM406889139.pdf
• http://fkunismuh.org/perpustakaan/repository/free-minecraft-skin-creator_GM479516143.pdf
• http://www.fkunismuh.org/perpustakaan/repository/roblox-hack-site_GM431946152.pdf
• http://fkunismuh.org/perpustakaan/repository/is-minecraft-dungeons-free_GM479516143.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-spin-link-today_GM406889139.pdf
• http://www.fkunismuh.org/perpustakaan/repository/hacks-for-minecraft-windows-10_GM479516143.pdf
• http://fkunismuh.org/perpustakaan//repository/coin-master-hack-spins-apk_GM406889139.pdf
• http://fkunismuh.org/perpustakaan//repository/roblox-report-hacker_GM431946152.pdf
• http://fkunismuh.org/perpustakaan//repository/free-robux-no-human-verification-or-survey_GM431946152.pdf

Embedded domains

• netcdn.xyz
• fkunismuh.org
• www.fkunismuh.org

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report