SUSPICIOUS — rbx-place-free-robux_GM431946152.pdf

SUSPICIOUS — rbx-place-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: 90a6948616f756d6902e0c16e7390c4cd0b0553050709d4c55af7cc882e60a15
• SHA-1: 648a42999529557fa345a6ab8e9535514e2e76d9
• MD5: ee71fe27d3fac3691e7a326f75e6b6b8
• ssdeep: 768:OZlVRXM10Lb3ncsFQ+/mNTZcr1hial5qYt4wC:gVR810v8+YTZcr1hxl5qI4wC
• TLSH: T1D82F6BF300ABCD0C7A8B8B43AAFE116D71CB93497223DB5195D4762DC07C5AE6B20856
• Submitted as: rbx-place-free-robux_GM431946152.pdf
• File type: pdf · Size: 34189 bytes
• Verdict: suspicious (58/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!EE71FE27D3FA
• 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://sistem.amikomsolo.ac.id/perpus/repository/free-games-to-play-like-roblox_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/rbx-place-free-robux-game-hack, http://sistem.amikomsolo.ac.id/perpus/repository/free-games-to-play-like-roblox_GM431946152.pdf, http://sistem.amikomsolo.ac.id/perpus/repository/free-daily-spins-coin-master-2021_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/rbx-place-free-robux-game-hack
• http://sistem.amikomsolo.ac.id/perpus/repository/free-games-to-play-like-roblox_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/free-daily-spins-coin-master-2021_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/robuxy-com-free-robux_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/minecraft-free-exe_GM479516143.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/retail-tycoon-roblox-cheats_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/coin-master-unlimited-spin-hack-apk_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/top-10-los-mejores-hack-de-roblox_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/roblox-how-to-get-robux-with-cheat-engine-64_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/free-robux-please_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/five-nights-at-freddys-2-free-roblox_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/play-coin-master_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/robux-free-apk_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/ninja-animation-package-free-roblox_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/claim-free-robux-button_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/free-coin-master-spins-without-human-verification_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/free-robux-2021-no-verification_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/hacker-music-roblox-id_GM431946152.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/coin-master-hack-without-verification_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/today-coin-master-free-coins-link_GM406889139.pdf
• http://sistem.amikomsolo.ac.id/perpus/repository/how-to-get-robux-for-free-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• sistem.amikomsolo.ac.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report