MALICIOUS — wubuvu.pdf

MALICIOUS — wubuvu.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 4 of 53 detection engines flagged it.

Identification

• SHA-256: 2e78e058f4ac138c88b9c94ffafe0bbf6dcbeec87fdc396a8512e80f5374ebe2
• SHA-1: 6a8881c2d3bbccab8c2e4c29787b95416f2c611f
• MD5: ce12318dafd91cd87ac11c9a0ab4789a
• ssdeep: 1536:jbR+sRccqDsN/FfWZmJ8nh3AuaS8K5w1qC7KYsHYzuFS3BDRvUI:scWDDZNnu8De/7KYNOS3RRvj
• TLSH: T1F636E1F3568BCD8CA5A29F47B9F64609B14ED38C35229BD040C4BA7CC4786AE3E501B0
• Submitted as: wubuvu.pdf
• File type: pdf · Size: 68188 bytes
• Verdict: malicious (92/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

Why this verdict

The malicious score of 92/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded network infrastructure: https://trafftec.ru/strik?utm_term=may+2020+coupons+for+bath+and+body+works, https://cdn-cms.f-static.net/uploads/4375509/normal_5f9f23161af20.pdf, https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/pugax.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://trafftec.ru/strik?utm_term=may+2020+coupons+for+bath+and+body+works
• https://cdn-cms.f-static.net/uploads/4375509/normal_5f9f23161af20.pdf
• https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/pugax.pdf
• https://cdn-cms.f-static.net/uploads/4387938/normal_5fb56f3a22c40.pdf
• https://uploads.strikinglycdn.com/files/1ffd4192-c402-4d04-8024-8abd094773ff/jewubomin.pdf
• https://uploads.strikinglycdn.com/files/b749ae34-07a5-4f8b-af90-15ce96263b11/nogisupina.pdf
• https://cdn-cms.f-static.net/uploads/4369333/normal_5f882bc3e1fa2.pdf
• https://uploads.strikinglycdn.com/files/2474f532-0968-41b6-bfc0-e3dca5097154/32778642974.pdf
• https://uploads.strikinglycdn.com/files/2053403e-b8a1-4fdd-87bb-fdcb5ee47d23/gevad.pdf
• https://cdn-cms.f-static.net/uploads/4379723/normal_5f9243756f6f1.pdf
• https://static1.squarespace.com/static/5fc4e144ab79f442f2430649/t/5fd74551ffab5d3c56161c04/1607943511459/suraw.pdf
• https://uploads.strikinglycdn.com/files/07e1c269-69d2-4462-b0d5-f68174be8d5e/xiduzudeberasebodoluweti.pdf
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/rights/

Embedded domains

• trafftec.ru
• cdn-cms.f-static.net
• nipufijupetobug.weebly.com
• uploads.strikinglycdn.com
• static1.squarespace.com
• www.w3.org
• purl.org
• ns.adobe.com

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