MALICIOUS — sarahahfind-free-robux_GM431946152.pdf

MALICIOUS — sarahahfind-free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: b1a81f71fb216d63eb3c6b371c86ed2f12eb3af7b5804b24ca094fc920b00b25
• SHA-1: 44cfaf84f8fb08bf1a91ec28caec09342a604803
• MD5: 271f71c60e62a94b1e24128efe053898
• ssdeep: 768:leZ9zkWH3VGHn1GkElU3rsmzzq1xDldfU4WRQn7PFM0Qxxvnpydsyq:UrzDlakSImybHWUP61Bpoxq
• TLSH: T1B732AFF3815BDD5C7D465F03AEF3215E788AA7893022DA41A4D87A3DD07C1DE6B10A22
• Submitted as: sarahahfind-free-robux_GM431946152.pdf
• File type: pdf · Size: 46018 bytes
• Verdict: malicious (75/100)

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!271F71C60E62
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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://library.futureuniversity.com/repository/roblox-if-you-got-hacked_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/sarahahfind-free-robux-game-hack, http://library.futureuniversity.com/repository/coin-master-spin-link-today-free_GM406889139.pdf, http://library.futureuniversity.com/repository/coin-master-daily-free-spins-link-download_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/sarahahfind-free-robux-game-hack
• http://library.futureuniversity.com/repository/coin-master-spin-link-today-free_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-daily-free-spins-link-download_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-without-human-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-rewards-app_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-if-you-got-hacked_GM431946152.pdf
• http://library.futureuniversity.com/repository/get-free-robux-no-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-can-i-play-minecraft-for-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-online-cheat_GM406889139.pdf
• http://library.futureuniversity.com/repository/tiktok-free-followers-apk_GM835599320.pdf
• http://library.futureuniversity.com/repository/coin-master-spin-link-today-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/robux-generator_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-no-human-verification-and-no-survey_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-free-download-chromebook_GM479516143.pdf
• http://library.futureuniversity.com/repository/free-script-executor-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-pocket-edition-hack_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spin-2912-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-2021-easy_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-robux-generator-2021_GM431946152.pdf
• http://library.futureuniversity.com/repository/get-free-robux_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report