SUSPICIOUS — 4802415_formula__bayesa_.pdf

SUSPICIOUS — 4802415_formula__bayesa_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 3 of 53 detection engines flagged it.

Identification

• SHA-256: b75382c427000b92097c802cb668362f59aab107e932c57e4a41a9deadf209da
• SHA-1: ae817b4a530cb9fb8ca1b3afc47438df334142f1
• MD5: d40b05688944a2e6f3ee65077e4daa4f
• ssdeep: 6144:/RaKwwzRjnrUjWBiKak/Ouv5Z9WiKmsObUH2cl7/nF0pTo5IAScMxzZpqv:/RaKnRjrlak/Oa9SmsObchbkQ/TMXEv
• TLSH: T1C74801F2DE15AB7ECA4C3E523EB4913C2E5A924121F01731B51719F335B42AB170A8B9
• Submitted as: 4802415_formula__bayesa_.pdf
• File type: pdf · Size: 353315 bytes
• Verdict: suspicious (44/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13

Why this verdict

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

• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0+%D0%B1%D0%B0%D0%B9%D0%B5%D1%81%D0%B0+%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B&charset=utf-8, http://img0.liveinternet.ru/images/attach/c/7//4802/4802378_uchebnik__po__arhitekture_.pdf, http://img0.liveinternet.ru/images/attach/c/7//4802/4802386_skachat__gta_.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://botcraftman.ru/?lip&keyword=%D1%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0+%D0%B1%D0%B0%D0%B9%D0%B5%D1%81%D0%B0+%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B&charset=utf-8
• http://img0.liveinternet.ru/images/attach/c/7//4802/4802378_uchebnik__po__arhitekture_.pdf
• http://img0.liveinternet.ru/images/attach/c/7//4802/4802386_skachat__gta_.pdf
• http://img0.liveinternet.ru/images/attach/c/7//4802/4802390_dragunkin__angliyskiy__yazuyk_.pdf

Embedded domains

• botcraftman.ru
• img0.liveinternet.ru

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report