Malicious PDF — malware analysis report

Heuristics 8

• 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://vatipasa.weebly.com/uploads/1/3/0/7/130775610/6375386.pdf.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://kuzutuzo.ru/strik?utm_term=how+to+delete+messenger+conversations+at+once PDF link annotation

  • https://vatipasa.weebly.com/uploads/1/3/0/7/130775610/6375386.pdfIn PDF document text
  • https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/zamaboxofuvaro-kodav-wofagaduj-kamugen.pdfIn PDF document text
  • https://bilobusi.weebly.com/uploads/1/3/4/8/134872308/lenorapig.pdfIn PDF document text
  • https://gixifufu.weebly.com/uploads/1/3/3/9/133999878/bekanon_wirep_jimasalate_guweger.pdfIn PDF document text
  • https://fozapiko.weebly.com/uploads/1/3/0/9/130968993/f88fd9d9e68dc.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4491437/normal_6000c045e0781.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4497685/normal_6013cae33a47c.pdfIn PDF document text
  • https://goxapixexaze.weebly.com/uploads/1/3/1/6/131607486/vozamifujemesut_bupiboxemof_vutibuno.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418783/normal_60151e2843a8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464865/normal_600ee314b5103.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4500882/normal_5fcbc5a2aac10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501045/normal_601f538846335.pdfIn PDF document text
  • https://zanewodibamejat.weebly.com/uploads/1/3/0/9/130969445/7626487.pdfIn PDF document text
  • https://topalezomezo.weebly.com/uploads/1/3/4/3/134305389/9631010.pdfIn PDF document text
  • https://topudamix.weebly.com/uploads/1/3/4/5/134581811/bokubefekipewi.pdfIn PDF document text
  • https://koreperuk.weebly.com/uploads/1/3/2/6/132680900/382867.pdfIn PDF document text
  • https://nerutemiwuxofa.weebly.com/uploads/1/3/1/3/131398157/fogozox.pdfIn PDF document text
  • https://jorokepevi.weebly.com/uploads/1/3/4/6/134688072/sefamatewo-fibanonen-vevodeketuzaxo.pdfIn PDF document text
  • https://fuxureriwixivo.weebly.com/uploads/1/3/0/7/130739224/3074b94792b4f.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/wuzalugiseto/yamaha_ypg_535_screen_problems.pdfIn PDF document text
  • https://s3.amazonaws.com/bifamomove/nebexebiwawapedag.pdfIn PDF document text
  • https://s3.amazonaws.com/sefabe/core_java_tutorial_oracle.pdfIn PDF document text
  • https://s3.amazonaws.com/kukupunopedon/how_do_you_fix_a_gas_burner_that_wont_light.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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