MALICIOUS — vubofirevonolabidobi.pdf

MALICIOUS — vubofirevonolabidobi.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (88/100). 3 of 53 detection engines flagged it.

Identification

• SHA-256: 94a4d7efc66878eaa5fb8532c8cc46fe3be77effc2f1789666c3a0cd36f9c466
• SHA-1: 821357c81ceef9146561634f2a459379b8a00cfb
• MD5: 1baf31390ed054530f7c3d022cc7a783
• ssdeep: 1536:LGFl2Yci2aH2pGHTzUjpJFDVhFN5gm+qE:qFlSha6anapJV1N59S
• TLSH: T1BA33AEF3109BDCCC3A8BAF43ADB61159A446C748313296704ADDB72CC4BC6BD6E11A61
• Submitted as: vubofirevonolabidobi.pdf
• File type: pdf · Size: 49835 bytes
• Verdict: malicious (88/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

Why this verdict

The malicious score of 88/100 is the fusion of 6 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://cctraff.ru/strik?keyword=brain+teasers+pictures+with+answers+pdf, http://files.tmd55.org/uploads/1/3/1/0/131070469/juzelorovoxiwo.pdf, http://boxenikok.fallline.org/uploads/1/3/0/9/130969140/9833196.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://cctraff.ru/strik?keyword=brain+teasers+pictures+with+answers+pdf
• http://files.tmd55.org/uploads/1/3/1/0/131070469/juzelorovoxiwo.pdf
• http://boxenikok.fallline.org/uploads/1/3/0/9/130969140/9833196.pdf
• http://didesotar.studio185woodart.com/uploads/1/3/0/7/130739291/supulow.pdf
• http://files.suitfashionnj.com/uploads/1/3/0/7/130776462/debejobebopuj-tutasunebon.pdf
• http://lusok.strongholdequineequipment.com/uploads/1/3/1/0/131070381/1413843.pdf
• http://files.pennymorrison.net/uploads/1/3/1/0/131070911/netez_sozuzir.pdf
• http://files.northwesternbreastsurgeons.com/uploads/1/3/1/6/131606025/pafojidivif.pdf
• https://uploads.strikinglycdn.com/files/598c4793-f110-4fb7-ac55-e26f7fcee390/19429440259.pdf
• https://uploads.strikinglycdn.com/files/d9cbf53a-2f72-473d-880b-b0609eaf7759/62607474067.pdf
• https://uploads.strikinglycdn.com/files/9b457f7c-f7ae-4b02-82fe-dd991ac1c288/vufoxar.pdf
• https://uploads.strikinglycdn.com/files/fe1a8841-5d54-4742-9667-2718c6b7aae7/wujabo.pdf
• http://files.colegioinglesprimaria.com/uploads/1/3/0/8/130814858/9409778.pdf
• http://files.adwpuppies.org/uploads/1/3/2/8/132814073/6655635.pdf
• http://dezekexo.codergals.org/uploads/1/3/1/4/131406390/f9f826ec4c.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

• cctraff.ru
• files.tmd55.org
• boxenikok.fallline.org
• didesotar.studio185woodart.com
• files.suitfashionnj.com
• lusok.strongholdequineequipment.com
• files.pennymorrison.net
• files.northwesternbreastsurgeons.com
• uploads.strikinglycdn.com
• files.colegioinglesprimaria.com
• files.adwpuppies.org
• dezekexo.codergals.org
• www.w3.org
• purl.org
• ns.adobe.com

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