MALICIOUS — free-account-roblox-with-robux_GM431946152.pdf

MALICIOUS — free-account-roblox-with-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 43659c4971c44342de26811b33d9a7ea9482dc9e4770ec8f3d8117df1f58db5c
• SHA-1: b7c082ad82951320e398c5f4a91ebf2082743c5a
• MD5: 8e54c5c8d58ec8568768e0a73441928d
• ssdeep: 768:CM1y7eualLYSgsi4yWI/ipow3X1FAC8PQ6M:11hlZLyWCih3X1Fj8PQ6M
• TLSH: T1F52F6CF744E7CE1C7A9B8B036DB665BD65CDD3987126CE4081C8A62CD0BC9AE7700621
• Submitted as: free-account-roblox-with-robux_GM431946152.pdf
• File type: pdf · Size: 35588 bytes
• Verdict: malicious (94/100)

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!8E54C5C8D58E

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!8E54C5C8D58E (rule PDF/Phish-TWM!8E54C5C8D58E) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-and-tix-giver-2021_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-account-roblox-with-robux-game-hack, http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-and-tix-giver-2021_GM431946152.pdf, http://www.ck-ceramic.com/Public/upload/editorfiles/pokemon-go-free-vs-ultra_GM1094591345.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-account-roblox-with-robux-game-hack
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-and-tix-giver-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/pokemon-go-free-vs-ultra_GM1094591345.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-do-you-get-free-robux_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-buy-robux-for-free_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/best-free-robux-sites_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/biggest-hacker-in-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-accounts_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-weight-lifting-simulator-2-hack-script-download_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/guy-goes-to-jail-for-hacking-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/coin-master-free-spins-link-download-ios_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/games-like-minecraft-but-free_GM479516143.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/how-to-get-robux-for-free-2021_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/nelson-diamant-hack-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/2021-free-spins-coin-master_GM406889139.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/five-nights-at-freddys-2-free-roblox_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-tiktok-views-no-verification_GM835599320.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-tiktok-followers-no-survey_GM835599320.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/roblox-t-shirt-free-adidas_GM431946152.pdf
• http://www.ck-ceramic.com/Public/upload/editorfiles/free-robux-gift-card-codes-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.ck-ceramic.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report