Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://felupujefokedab.weebly.com/uploads/1/3/4/6/134621420/mivegomapez-pulutimopuwukuf-mikulemepame.pdf.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://leonvi.ru/123?utm_term=what+age+is+junie+b+jones+good+for PDF link annotation

  • https://cdn.sqhk.co/fudikeraz/agiLBhe/80803231665.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4456984/normal_5ffb3a08014a9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420459/normal_5ff13d25c2eb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5fd669ad0a98b.pdfIn PDF document text
  • http://uplrezina.site/cuantos_vertices_tiene_una_piramide2y120.pdfIn PDF document text
  • https://felupujefokedab.weebly.com/uploads/1/3/4/6/134621420/mivegomapez-pulutimopuwukuf-mikulemepame.pdfIn PDF document text
  • https://zabojipenow.weebly.com/uploads/1/3/1/6/131636987/zavufe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4502336/normal_603c6eb17ccf9.pdfIn PDF document text
  • https://cdn.sqhk.co/bidelefo/qN5ieia/sliters_lakeside_mt.pdfIn PDF document text
  • https://cdn.sqhk.co/puvegipuros/Xtgg1WC/75465440689.pdfIn PDF document text
  • https://jilarikogezinuv.weebly.com/uploads/1/3/0/9/130969280/670639.pdfIn PDF document text
  • http://dommasters.site/46729377908hyx4x.pdfIn PDF document text
  • https://cdn.sqhk.co/bokapapukopa/heR7Dby/no_cook_chocolate_ice_cream_recipe_with_eggs.pdfIn PDF document text
  • https://zonilalafujagep.weebly.com/uploads/1/3/4/7/134731182/dezibazod-gipaka.pdfIn PDF document text
  • https://lilawowawumoxo.weebly.com/uploads/1/3/1/4/131453384/9664204.pdfIn PDF document text
  • https://cdn.sqhk.co/jesotipo/Mhajgc7/10686131794.pdfIn PDF document text
  • http://lnstagramcopyrightmanagement.com/who_developed_the_psychoanalytic_theory_of_dreamsw0nes.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/baxadelefofibuz/chevrolet_spark_2011_manual.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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