MALICIOUS — free-robux-without-survey_GM431946152.pdf

MALICIOUS — free-robux-without-survey_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 7108b7441a268e82f57462d1aa67e8e9e7257137a8764cf6c079333322281cf9
• SHA-1: 31d2f2f82424597bfd705cfc7327fdbeb52e5b31
• MD5: 0f61304507a40f0b91f145d3f4719ee6
• ssdeep: 768:mTpoFcUsK3BwxZMubDAPJlkE/Ipm2sD/0FRJFz/9WK:g8nOxZMBf/tD0Fv/WK
• TLSH: T1D82F6CF300CBDC5C7A8A5F0769FA211D648ED28872A2DA5054D476BCE078AFE7F40921
• Submitted as: free-robux-without-survey_GM431946152.pdf
• File type: pdf · Size: 35157 bytes
• Verdict: malicious (75/100)

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!0F61304507A4

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 75/100 is the fusion of 4 weighted signals:

• Embedded link rated malicious by URL analysis: http://www.valenciamaids.com/userfiles/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-without-survey-game-hack, http://www.valenciamaids.com/userfiles/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf, http://www.valenciamaids.com/userfiles/files/ways-to-get-free-robux-2021_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-survey-game-hack
• http://www.valenciamaids.com/userfiles/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/ways-to-get-free-robux-2021_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/coin-master-hacks-free-spins_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/free-spins-and-coins-coin-master-app_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/minecraft-bedrock-edition-free_GM479516143.pdf
• http://www.valenciamaids.com/userfiles/files/is-free-robux-real_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/coin-master-free-spin-redeem-code_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/free-cloths-roblox-codes_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/coin-master-apk-hack-download_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/what-do-roblox-points-do_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/minecraft-skins-download-free_GM479516143.pdf
• http://www.valenciamaids.com/userfiles/files/coin-master-free-spins-link-quora_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/http-appsmob-info-coin-master-hack_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/how-much-robux-can-you-get-with-1-million-dollars_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/free-coin-master-spins-daily_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/how-to-earn-robux-fast_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/hacks-for-roblox-royal-high_GM431946152.pdf
• http://www.valenciamaids.com/userfiles/files/hack-crack-for-coin-master-currency_GM406889139.pdf
• http://www.valenciamaids.com/userfiles/files/chemises-furious-jumper-free-roblox_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.valenciamaids.com

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