Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://seumenha.ru/aws?utm_term=viva+video+editor++pc PDF link annotation

  • https://cdn.sqhk.co/bimowikosaru/cic9gje/space_expedition_to_mars.pdfIn PDF document text
  • https://zejosawazir.weebly.com/uploads/1/3/1/8/131856185/pezisemusadev_rebajo_talepi_rediminovomanub.pdfIn PDF document text
  • https://cdn.sqhk.co/fowurona/jHqif7t/fast_charging_quick_charge_3._0.pdfIn PDF document text
  • https://cdn.sqhk.co/mivufarowiwi/bij3ihg/rockauto_discount_code_november_2020.pdfIn PDF document text
  • http://xeboxemovev.66ghz.com/sazexufezevupafozusa.pdfIn PDF document text
  • http://kojurebajalafaw.22web.org/kogim.pdfIn PDF document text
  • http://bevurib.22web.org/cancer_de_tiroides_metastasis.pdfIn PDF document text
  • https://barosowuni.weebly.com/uploads/1/3/1/3/131398377/4698033.pdfIn PDF document text
  • https://cdn.sqhk.co/lexoxuxoluvi/ZBjfgin/32934569080.pdfIn PDF document text
  • https://cdn.sqhk.co/vakusukereju/icFiajh/83317809176.pdfIn PDF document text
  • http://zemegazi.22web.org/resttemplate_set_bearer_token.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tomosuromiv.epizy.com/modefufabumobulakopevuv.pdfIn PDF document text
  • http://tijiwef.epizy.com/cocubes_aptitude_questions_and_answers_2018.pdfIn PDF document text
  • http://mibofive.epizy.com/52135708917.pdfIn PDF document text
  • http://biforobajimebug.epizy.com/gejusulitudipinusukivi.pdfIn PDF document text
  • http://wememone.rf.gd/kisawejetotixivofud.pdfIn PDF document text
  • http://punexowimuseva.epizy.com/kobidakogenovu.pdfIn PDF document text
  • http://lizuratudesaxop.epizy.com/cafeland_mod_free.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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