MALICIOUS — 8ba634_b52b1bcb9581494a8fa81b4424e20298.pdf

MALICIOUS — 8ba634_b52b1bcb9581494a8fa81b4424e20298.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: 88d9cf8ebb46da151857814917a54d1ffc51ff1bd5b6998b1121a11c001f5fda
• SHA-1: 08cb061e4799e3e66f55cc6421643ee7b5c2d16e
• MD5: 4ef77ea73a484c904e458fa789dc0c63
• ssdeep: 1536:KGFEp5mnSl69kN7ogYE5KOW3iZrtuzgQHN4XhU:zFEp5mSlhN7ogY0KR2uzDz
• TLSH: T1AF33AEF3509BDDCDBA46BF43ADE62059208AD7C97122EA6044CCB72DC07C6BD6E10A51
• Submitted as: 8ba634_b52b1bcb9581494a8fa81b4424e20298.pdf
• File type: pdf · Size: 51059 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.me/wix?keyword=formulas+de+derivadas+exponenciales, https://cdn.shopify.com/s/files/1/0428/5880/7455/files/36664427468.pdf, https://cdn.shopify.com/s/files/1/0432/3934/2248/files/tomiw.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.me/wix?keyword=formulas+de+derivadas+exponenciales
• https://cdn.shopify.com/s/files/1/0428/5880/7455/files/36664427468.pdf
• https://cdn.shopify.com/s/files/1/0432/3934/2248/files/tomiw.pdf
• https://cdn.shopify.com/s/files/1/0435/5919/0689/files/go_math_grade_8_test_answers.pdf
• http://files.hokuloaoutrigger.com/uploads/1/3/2/6/132682076/lidole-pakife.pdf
• http://wijeto.glendasuarezphoto.com/uploads/1/3/2/6/132681513/gorapifoxukivon.pdf
• http://files.martinheine.net/uploads/1/3/0/7/130739664/b6fdbb7fe0.pdf
• http://files.thescenevault.com/uploads/1/3/1/3/131398187/kixufejupuk.pdf
• https://8890b7a2-605c-411a-be76-5dd13d14c526.filesusr.com/ugd/bcd086_73991804b0974ebdb3a48bf96c03a0d0.pdf?index=true
• https://ad00cd78-8c09-4965-bfdc-1fa669f5a022.filesusr.com/ugd/610d21_a1f7a8a51ccb41db8387dbaf65897fc5.pdf?index=true
• https://bb890a49-dc60-4385-a66d-7f76f65e2d70.filesusr.com/ugd/d2759c_180e7bd83a794045b03b9fee645ce4cb.pdf?index=true
• https://1b71e83d-758c-48da-8396-d7179eb19faa.filesusr.com/ugd/227d0f_f21861fd7cd84aa7b9b29a8b14cd40ef.pdf?index=true
• https://2d6ef120-928d-4c9e-b275-fc77c243a74a.filesusr.com/ugd/227d0f_d9281a9a6fdf4e689d2d910548a96acf.pdf?index=true
• https://cdn.shopify.com/s/files/1/0427/5650/5756/files/adding_amounts_of_money_worksheets.pdf
• https://cdn.shopify.com/s/files/1/0437/4121/6917/files/wikidumibemabizam.pdf
• https://cdn.shopify.com/s/files/1/0429/2699/7663/files/nunilif.pdf
• https://cdn.shopify.com/s/files/1/0436/5352/9753/files/combustion_analysis_worksheet_doc.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

• ttraff.me
• cdn.shopify.com
• files.hokuloaoutrigger.com
• wijeto.glendasuarezphoto.com
• files.martinheine.net
• files.thescenevault.com
• 8890b7a2-605c-411a-be76-5dd13d14c526.filesusr.com
• ad00cd78-8c09-4965-bfdc-1fa669f5a022.filesusr.com
• bb890a49-dc60-4385-a66d-7f76f65e2d70.filesusr.com
• 1b71e83d-758c-48da-8396-d7179eb19faa.filesusr.com
• 2d6ef120-928d-4c9e-b275-fc77c243a74a.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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