MALICIOUS — how-to-get-free-robux-on-phone-2021_GM431946152.pdf

MALICIOUS — how-to-get-free-robux-on-phone-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 2ed79028c7f21dc7f43013d65fcfa0105ad78e59d39cf361e03839f1af198921
• SHA-1: 6d389d918e810274b56c1e91f7e47f487cba2236
• MD5: 9cb91998aea6b76bd2b378945395bb12
• ssdeep: 768:XqjXHvcwsGyyfbz88ToDnJ3mm8Gxncdk1nW4ygQRFYl:azsyzA1JWrUcdInz1QFY
• TLSH: T11C306CF3409BDD0C3D8ADB439AB6205D78CBE35831618A5461D8777DD0B86EEAF10922
• Submitted as: how-to-get-free-robux-on-phone-2021_GM431946152.pdf
• File type: pdf · Size: 35745 bytes
• Verdict: malicious (94/100)

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!9CB91998AEA6
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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!9CB91998AEA6 (rule PDF/Phish-TWM!9CB91998AEA6) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://library.futureuniversity.com/repository/coin-master-free-spins-hack-link_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/how-to-get-free-robux-on-phone-2021-game-hack, http://library.futureuniversity.com/repository/coin-master-free-spins-hack-link_GM406889139.pdf, http://library.futureuniversity.com/repository/roblox-hack-me-robux_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

• http://netcdn.tw/app/431946152/how-to-get-free-robux-on-phone-2021-game-hack
• http://library.futureuniversity.com/repository/coin-master-free-spins-hack-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-hack-me-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/cm-spin-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-do-you-grt-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/can-i-get-robux-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/cheat-codes-for-bubble-gum-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-free-download-chromebook_GM479516143.pdf
• http://library.futureuniversity.com/repository/25-free-spins-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-get-free-cards_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-robux-hack-no-human-verification-or-survey_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-on-phone_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-roblox-group-giving-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-noclip-hack-download-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-hack-roblox-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/rich-free-roblox-accounts_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-generator-easy-no-human-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-today-daily-links_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-coin-master-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-on-roblox-website_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-invite-friends-free-spins_GM406889139.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report