SUSPICIOUS — free-robux-without-verification-or-survey_GM431946152.pdf

SUSPICIOUS — free-robux-without-verification-or-survey_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: 4d5c7c8250d19fd94653ead2446b52e3adbdc98fe2964b5eee27b7130105a652
• SHA-1: 3e4973edc25cfb30c9567d185ced7eccfd574555
• MD5: ec26ce4dd7f3a37ece57d17497910dcb
• ssdeep: 768:5Hs648/s1jOtTE2hCSKDYEsWiS33Hus5LF:NsTato2hjKbstS33V5LF
• TLSH: T1F8307DFB4087DC1CB68B9B53A876205C748AD38464378501E1D876BC84BD9AE7B90571
• Submitted as: free-robux-without-verification-or-survey_GM431946152.pdf
• File type: pdf · Size: 36074 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!EC26CE4DD7F3
• 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/free-robux-pastebin-no-wait-2021_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-without-verification-or-survey-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-pastebin-no-wait-2021_GM431946152.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-hacked-shirt-id_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

• http://netcdn.tw/app/431946152/free-robux-without-verification-or-survey-game-hack
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-pastebin-no-wait-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-hacked-shirt-id_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/is-minecraft-free-on-xbox-one_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-download-mac-free_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/my-roblox-account-is-being-hacked-what-do-i-do_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/robux-maniac-robux-hack_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-spins-coins-coin-master_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/hacks-for-roblox-counter-blox_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/gift-card-roblox-free-codes_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/redline-roblox-hack-booga-booga_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/i-need-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-brown-pant-roblox_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/win-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-password-needed_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-on-ipad-pro_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-spins-coin-master-cheat_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-generator-not-a-scam_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/today-free-spin-coin-master_GM406889139.pdf

Embedded domains

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

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report