SUSPICIOUS — free-robux-advertisement-bot_GM431946152.pdf

SUSPICIOUS — free-robux-advertisement-bot_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: d3936db6fca8f650460a8a7527588861334fbdfb242adf74c33b48efa47e92dc
• SHA-1: 34a0440ad03612b9e508a944877725606ab74dbc
• MD5: 0f447ea0ed8761946029c3b82fe79293
• ssdeep: 768:qS2oRA1RUDe8MT0fFuzq2azBimXvNSGlpgDm/3v9arG:qXoRA1RU4OtXdvNSayDm/v9KG
• TLSH: T14F33AEF7418BDC0C395A8F039AB7211E788AD6D930219A9454D8767CC4787FEAF40A22
• Submitted as: free-robux-advertisement-bot_GM431946152.pdf
• File type: pdf · Size: 47979 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!0F447EA0ED87
• 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/mc-update_GM479516143.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-advertisement-bot-game-hack, http://library.futureuniversity.com/repository/mc-update_GM479516143.pdf, http://library.futureuniversity.com/repository/offers-for-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

• https://netcdn.tw/app/431946152/free-robux-advertisement-bot-game-hack
• http://library.futureuniversity.com/repository/mc-update_GM479516143.pdf
• http://library.futureuniversity.com/repository/offers-for-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-hacked-version_GM431946152.pdf
• http://library.futureuniversity.com/repository/www-robux-us_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-coin-link-for-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-coin-master-game_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-spin-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-heaven_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-spin-free_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-for-coin-master-ios_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-hack-unlimited-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-spin-coin-master-apk_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-op-minecraft-servers_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-link-hack_GM406889139.pdf
• http://library.futureuniversity.com/repository/500-free-spins-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-codes-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-make-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-inspect_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report