SUSPICIOUS — free-robux-app_GM431946152.pdf

SUSPICIOUS — free-robux-app_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 4 of 53 detection engines flagged it.

Identification

• SHA-256: b37720eded36774080334a3c5a97fd36947ce4656ed7085339084d53ab3596b1
• SHA-1: cdd777a73cb021c07c54ce5622fb364a5ebea83c
• MD5: c81231f1bba301d3e78e882d28474a80
• ssdeep: 768:Jj6laE6iDfsREzrXMXLsorB1p++JDMvXABy39DrMm:JjLDEzrXeYorBX+gDMvXGyWm
• TLSH: T1B22F9FF321A7CC9C664ADB436AB516587449ABCC3621CE5898C47A3CC4BC5BD5F20B31
• Submitted as: free-robux-app_GM431946152.pdf
• File type: pdf · Size: 32540 bytes
• Verdict: suspicious (44/100)

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!C81231F1BBA3

Why this verdict

The suspicious score of 44/100 is the fusion of 3 weighted signals:

• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-app-game-hack, http://bwharrisalumniusa.org/images/earn-free-robux_GM431946152.pdf, http://bwharrisalumniusa.org/images/minecraft-launcher-free_GM479516143.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-app-game-hack
• http://bwharrisalumniusa.org/images/earn-free-robux_GM431946152.pdf
• http://bwharrisalumniusa.org/images/minecraft-launcher-free_GM479516143.pdf
• http://bwharrisalumniusa.org/images/free-robux-no-download_GM431946152.pdf
• http://bwharrisalumniusa.org/images/free-minecraft-server_GM479516143.pdf
• http://bwharrisalumniusa.org/images/coin-master-daily-free-spins-link-today_GM406889139.pdf
• http://bwharrisalumniusa.org/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdf
• http://bwharrisalumniusa.org/images/free-robux-no-verification-no-survey_GM431946152.pdf
• http://bwharrisalumniusa.org/images/free-online-minecraft-server_GM479516143.pdf
• http://bwharrisalumniusa.org/images/real-minecraft-for-free_GM479516143.pdf
• http://bwharrisalumniusa.org/images/minecraft-for-ipad-free_GM479516143.pdf

Embedded domains

• netcdn.tw
• bwharrisalumniusa.org

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report