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

SUSPICIOUS — free-robux-august-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 8eb0971c4bc4fe56a9921877816809a48dd0c530ba5247d0ef73cd4de7df8216
• SHA-1: 829f296bb222447f5a304b7a2c866e897a7da31a
• MD5: 9fd5f601cb9f3b43cacaaf1fc44eabe1
• ssdeep: 1536:NF7rMJoMgwpBICzcCIb4AtGaKqXg9Ibkk7:vMJoMgiBxfM4AdKBykE
• TLSH: T1D7339DFB4187DD1C76869B83ADB6205DB0CAE2886426CE4084C87B3D807D9FCBE10971
• Submitted as: free-robux-august-2021_GM431946152.pdf
• File type: pdf · Size: 51130 bytes
• Verdict: suspicious (58/100)

Detections (4 of 54 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!9FD5F601CB9F

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/how-to-make-a-group-on-roblox-for-free_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-august-2021-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-make-a-group-on-roblox-for-free_GM431946152.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/hack-the-coin-master-game_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

• https://netcdn.tw/app/431946152/free-robux-august-2021-game-hack
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-make-a-group-on-roblox-for-free_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/hack-the-coin-master-game_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-hacks-com_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-arsenal-hacks-download_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/robux-earner_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-admin-hack_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-long-is-the-minecraft-free-trial_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/minecraft-java-free_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/microsoft-bing-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-spins-today-daily-links_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-roblox-promo-codes-november-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/oginject-co_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-spins-for-today_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-spin-hack-apk_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/get-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/hacking-apps-for-roblox_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-coins-for-coin-master-blogger_GM406889139.pdf

Embedded domains

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

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report