MALICIOUS — what-is-a-robux_GM431946152.pdf

MALICIOUS — what-is-a-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: cb9ecc7b6bf630f86e37b85be79151844185500c7825efa2dc891ba24f4e9214
• SHA-1: b8978b5f187fb2785352f0de834ffdc5a65126bd
• MD5: 2c63ade41368d2ee6e7982477cf78203
• ssdeep: 768:TV6rBK1tkfSslvMMaGRN8aofg9G+CvERqb7ycdQ34D4K:ErQ1eLf8dfgA+CvuqbWuQC4K
• TLSH: T1C1308DF3409BDC1C3A87AB13AD77311DB18BD388A576CA4185D8762D80BEDECAB40561
• Submitted as: what-is-a-robux_GM431946152.pdf
• File type: pdf · Size: 35816 bytes
• Verdict: malicious (94/100)

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!2C63ADE41368
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 7 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!2C63ADE41368 (rule PDF/Phish-TWM!2C63ADE41368) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-easy-2021-on-ipad_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/what-is-a-robux-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-easy-2021-on-ipad_GM431946152.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/free-old-roblox-accounts-2021-pastebin_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/what-is-a-robux-game-hack
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-easy-2021-on-ipad_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-old-roblox-accounts-2021-pastebin_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-free-animation-ninja_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-hack-tool-india_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-roblox-shirt-templates-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/minecraft-hacks-for-2b2t_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/7aykw-duncan-free-robux-no-survey-human-verification_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-in-roblox-sub_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-cheat-money-in-roblox-high-school_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-no-hack-or-download-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-more-robux-for-free_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-codes-2021-mai_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/pokemon-go-free-2021_GM1094591345.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/haw-to-get-free-items-in-roblox-taglog-2021-march_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-cheat-in-roblox-jailbreak-fast-run_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/minecraft-reach-hack_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-promo-codes-december-2021_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-spins-iphone_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-modded-minecraft-server-hosting_GM479516143.pdf

Embedded domains

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

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report