SUSPICIOUS — free-robux-obby-2021_GM431946152.pdf

SUSPICIOUS — free-robux-obby-2021_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: ac11b75e29ff7a8a58e99f2fbee13fde1685f3b98bf509a4be018c835aed8544
• SHA-1: faab84b919fca6f0bb72fb1d1d636045dfa7ff36
• MD5: 15f51a1992cb90cd582f0900fca9d354
• ssdeep: 768:Rz8UbwBS1rCYb8HP9h2DE3lDyz6/cwWosSz7vtnpBAcG5UnLFxHY5I+2HeVOOXl:vbwB6CYYH2DE3P/2osSXvtvC5KXY5N2C
• TLSH: T1AD329FF3419BCC1C66899F539DB6242E758DD3842432DA4095E8763C84BDAFE6F10A32
• Submitted as: free-robux-obby-2021_GM431946152.pdf
• File type: pdf · Size: 45180 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!15F51A1992CB
• 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://perpustakaan.pn-tapaktuan.go.id/repository/game-coin-master-hack_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-obby-2021-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/game-coin-master-hack_GM406889139.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/how-do-we-get-free-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-obby-2021-game-hack
• http://perpustakaan.pn-tapaktuan.go.id/repository/game-coin-master-hack_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-do-we-get-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-codes-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/pubg-uc-10-rs_GM1330123889.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-spins-app_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-spins-coin-master-ios-links_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-codes-2021-not-used_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/pokeballs-in-pokemon-go-free_GM1094591345.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-tiktok-likes-quick_GM835599320.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/get-free-spins-for-coin-master_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/earn-free-spins-coin-master_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-hacks-and-cheats_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/202100-free-spins-coin-master_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-roblox-gfx_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-hack-game_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-daily-free-cards_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/to-get-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-no-verify-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• perpustakaan.pn-tapaktuan.go.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report