MALICIOUS — ruwebi.pdf

MALICIOUS — ruwebi.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: c0b22eea13e7b8c6501b7e331c3bec6c988ec9b3a0e3959505f35f1c6a3d0ba4
• SHA-1: 252dc3a2730eeee0890385f6c821b06951db1706
• MD5: 1a77c13f405e2d07849b5008153911d4
• ssdeep: 1536:tqf360sfK8yBG5mScN61bRmP/JKjrWvOlY73Cir6mxu7UZdPWZE7:ox8yBG5r1bRmX+SNjC+6mxuWPWm
• TLSH: T17736D0F3616BED4C3B495757AAFB105D104EC68C3432E3B51488776EC8B8ABCAE10A51
• Submitted as: ruwebi.pdf
• File type: pdf · Size: 66345 bytes
• Verdict: malicious (96/100)

Detections (4 of 50 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

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 96/100 is the fusion of 5 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 link rated malicious by URL analysis: https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/b5f87ca0e.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://traffmen.ru/wb?keyword=coloring%20pages%20to%20print, https://static1.squarespace.com/static/5fdc9fba3254dd38eed5a910/t/5fdcc37f32aa4f7576b096d9/1608303487306/vascular_malformation_radiopaedia.pdf, https://static1.squarespace.com/static/5fc0e46f24b06a7eb3ff1788/t/5fc513b53c02f22b9dad3bd4/1606751158302/11929991245.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://traffmen.ru/wb?keyword=coloring%20pages%20to%20print
• https://static1.squarespace.com/static/5fdc9fba3254dd38eed5a910/t/5fdcc37f32aa4f7576b096d9/1608303487306/vascular_malformation_radiopaedia.pdf
• https://static1.squarespace.com/static/5fc0e46f24b06a7eb3ff1788/t/5fc513b53c02f22b9dad3bd4/1606751158302/11929991245.pdf
• https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/b5f87ca0e.pdf
• https://gawubodukajine.weebly.com/uploads/1/3/0/9/130969599/bubabus.pdf
• https://s3.amazonaws.com/penale/us_goods_tax.pdf
• https://cdn-cms.f-static.net/uploads/4408879/normal_5fa5f24140229.pdf
• https://s3.amazonaws.com/suzujewa/aashiqui_1990_full_movie_hd_1080p.pdf
• https://kipunazumalimak.weebly.com/uploads/1/3/4/7/134755782/vafas.pdf
• https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf6285173fb5383b9a212f/1606378117464/xawamamubudaxi.pdf
• https://s3.amazonaws.com/vetamedisoz/zojowapog.pdf
• https://cdn-cms.f-static.net/uploads/4421461/normal_5fb373acb0770.pdf
• https://cdn-cms.f-static.net/uploads/4382414/normal_5fb8638849415.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

• traffmen.ru
• static1.squarespace.com
• naroxelilokatud.weebly.com
• gawubodukajine.weebly.com
• s3.amazonaws.com
• cdn-cms.f-static.net
• kipunazumalimak.weebly.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report