SUSPICIOUS — claimrbx-free-robux_GM431946152.pdf

SUSPICIOUS — claimrbx-free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 2c72192ef365152ce467b4d22100a8d64c03d80143333ba80d8fcc2985362bbd
• SHA-1: f432347d47d48082986a19fc51369ac244e2690d
• MD5: 2b016afeb44867834f6b67d995d7e8d8
• ssdeep: 768:Vy0LyltL8P7g8W52WqB7B4E5i+sXSZRIoHMh5503wHZN+62:AWaYPhW52WkWEySZRI0Mh8AHZN+62
• TLSH: T14C2F7CF711ABEC0C7B969B036D36102874CAD6887073DA5092D43A2DC06D6AEBF305B1
• Submitted as: claimrbx-free-robux_GM431946152.pdf
• File type: pdf · Size: 33935 bytes
• Verdict: suspicious (58/100)

Detections (4 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!2B016AFEB448

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://perpustakaan.bkkbnkaltim.id/repository/roblox-no-download-hack_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/claimrbx-free-robux-game-hack, http://perpustakaan.bkkbnkaltim.id/repository/roblox-no-download-hack_GM431946152.pdf, http://perpustakaan.bkkbnkaltim.id/repository/coin-master-free_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/claimrbx-free-robux-game-hack
• http://perpustakaan.bkkbnkaltim.id/repository/roblox-no-download-hack_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-free_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-free-spins-link-2021-blogger_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-robux-hack-2021_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-robux-gift-card-codes-800-robux_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-roblox-app_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-robux-true-2021_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-daily-free-spins-link_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-hack-2021_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/roblox-2021-how-to-change-your-name-free_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-spin-coin-master-2021_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/a-lot-of-robux_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-cracked-minecraft-server-hosting_GM479516143.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/free-robux-apk_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/websites-to-get-free-robux_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-free-spins-link-without-human-verification_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-hack-progamers_GM406889139.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/roblox-hack-fr-pc_GM431946152.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdf
• http://perpustakaan.bkkbnkaltim.id/repository/coin-master-stop-attack-hack_GM406889139.pdf

Embedded domains

• netcdn.tw
• perpustakaan.bkkbnkaltim.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report