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

SUSPICIOUS — get-free-robux-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: dbb3aac7f88537b848519ce14679fdc8b3ffc311cffedc5edc7b0da41ff9a781
• SHA-1: e39317ff7fc1e33c9e3a37eebee44deb7a32d0fe
• MD5: 91760bb9fdf79088f09e54c055a9d9a5
• ssdeep: 768:kBhnpxXkdY0VqofXrwRhU/wbOcA0A7owMuuwBNgsMut672kv5LH:kBhnTDvPNDA0A73uwngxNPLH
• TLSH: T1A22F9DF3508BCC0C6A468F076AB6229D358ED7CDB562CA9055D8767CC87C6EE5F10A20
• Submitted as: get-free-robux-2021_GM431946152.pdf
• File type: pdf · Size: 33578 bytes
• Verdict: suspicious (58/100)

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!91760BB9FDF7

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: https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/freer-pro-tiktok_GM835599320.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/get-free-robux-2021-game-hack, https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-hack-robux_GM431946152.pdf, https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily_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

• http://netcdn.tw/app/431946152/get-free-robux-2021-game-hack
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-hack-robux_GM431946152.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/freer-pro-tiktok_GM835599320.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-cards_GM406889139.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-minecraft-survival-server_GM479516143.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-coin-coin-master_GM406889139.pdf
• https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-pe-for-free_GM479516143.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-soins_GM406889139.pdf
• https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-hack-people-on-roblox_GM431946152.pdf

Embedded domains

• netcdn.tw
• belajar.mansalotim.sch.id
• www.belajar.mansalotim.sch.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report