MALICIOUS — a6e5e9_6c626ebecf584ab88d0c0283ed866b7b.pdf

MALICIOUS — a6e5e9_6c626ebecf584ab88d0c0283ed866b7b.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: 438d333a34daa14d236375b0629905782613b14f50d82399aa510d72dea5dc66
• SHA-1: 825d723b5e8120fcea0a145b239fcaf989b07282
• MD5: b9e5550a8544f011c91178d8535d6935
• ssdeep: 768:0gGzpDT7F2aZtB4R139wogJIVu11DC56NfW5Bd3kPrWyq8rQcWI5+1:BGFX7In9V+NWHd3ErWyqI5+1
• TLSH: T13B32AEF350A7EC8C7A86DF03A9EA144D6146C68D6033A6B485DD7B6CC4BC2BD2E11E10
• Submitted as: a6e5e9_6c626ebecf584ab88d0c0283ed866b7b.pdf
• File type: pdf · Size: 46542 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://ttraff.ru/wix?keyword=pdf+knex+instructions+13465, https://cdn.shopify.com/s/files/1/0434/7016/0032/files/measuring_capacity_worksheets_grade_3.pdf, https://cdn.shopify.com/s/files/1/0429/6219/0499/files/roduluxabifimeposirevu.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://ttraff.ru/wix?keyword=pdf+knex+instructions+13465
• https://cdn.shopify.com/s/files/1/0434/7016/0032/files/measuring_capacity_worksheets_grade_3.pdf
• https://cdn.shopify.com/s/files/1/0429/6219/0499/files/roduluxabifimeposirevu.pdf
• https://cdn.shopify.com/s/files/1/0435/9743/0941/files/1998_ap_calculus_ab_answers.pdf
• http://files.wildwoodacres.com/uploads/1/3/0/8/130874314/ef09fddca55b.pdf
• http://files.moogallery.com/uploads/1/3/1/6/131606111/4194222.pdf
• http://files.crossvilleband.org/uploads/1/3/1/4/131453214/aa2d96ac0a.pdf
• http://files.stefaniazissi.com/uploads/1/3/1/4/131407493/mimebidu.pdf
• http://noreg.scafone.com/uploads/1/3/2/6/132683014/tuzivifixosujuji.pdf
• http://kusilabu.2ndchanceapartment.com/uploads/1/3/0/7/130775288/1757872.pdf
• https://4c47522b-ddcf-4550-b1ba-5e8e89b34843.filesusr.com/ugd/61567a_2585a5c5ed77446caa0d88a9ee8679a8.pdf?index=true
• https://09759e13-091b-4753-8275-44932a6c1a44.filesusr.com/ugd/3ed902_879201713d9141aaacdbb66419edd4be.pdf?index=true
• 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

• ttraff.ru
• cdn.shopify.com
• files.wildwoodacres.com
• files.moogallery.com
• files.crossvilleband.org
• files.stefaniazissi.com
• noreg.scafone.com
• kusilabu.2ndchanceapartment.com
• 4c47522b-ddcf-4550-b1ba-5e8e89b34843.filesusr.com
• 09759e13-091b-4753-8275-44932a6c1a44.filesusr.com
• media.knex.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report