SUSPICIOUS — javascript-free-robux_GM431946152.pdf

SUSPICIOUS — javascript-free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: ffbf3603460c6af970c59be4c773556db19a6a64cfcb4b7966a087bf45169735
• SHA-1: a51876fa60d867c45862887f963f2032ad77978b
• MD5: dfb7df18fcd7e77122b45ba8f1d050cc
• ssdeep: 768:Y3Pai6bUG/fQs67uY6RdIgDb865mT/PWjRTo5AlllFpPWdnS5:YCi0f2UjJ5mbPSo58pP4nS5
• TLSH: T17B307DF751A7CC5C3E8A9F038EFB105978C9D3492622DA2051D4366CC4BC6EDAF00922
• Submitted as: javascript-free-robux_GM431946152.pdf
• File type: pdf · Size: 35781 bytes
• Verdict: suspicious (58/100)

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!DFB7DF18FCD7
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The suspicious score of 58/100 is the fusion of 4 weighted signals:

• Embedded link rated suspicious by URL analysis: http://library.futureuniversity.com/repository/master-coin-free-spin-daily_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/javascript-free-robux-game-hack, http://library.futureuniversity.com/repository/master-coin-free-spin-daily_GM406889139.pdf, http://library.futureuniversity.com/repository/free-spins-for-coin-master-without-human-verification_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/javascript-free-robux-game-hack
• http://library.futureuniversity.com/repository/master-coin-free-spin-daily_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-for-coin-master-without-human-verification_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-speed-hacks-that-u-can-type-in-chat_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/best-script-roblox-hack_GM431946152.pdf
• http://library.futureuniversity.com/repository/is-minecraft-realms-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-coins-links-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-2021-no-survey_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-app-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-tuts_GM406889139.pdf
• http://library.futureuniversity.com/repository/oginject-co_GM406889139.pdf
• http://library.futureuniversity.com/repository/hacks-to-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/cheat-codes-for-bounce-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/get-free-spins-in-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-online-free-to-play_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-robux-for-free-for-children_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-speed-boats-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-coin-hack_GM406889139.pdf
• http://library.futureuniversity.com/repository/minecraft-free-apk-java-edition_GM479516143.pdf
• http://library.futureuniversity.com/repository/how-to-earn-robux-fast_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report