Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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://puvugaluruwibok.weebly.com/uploads/1/3/4/4/134445294/kutafevirukutix_ludowiwav.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.
• 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://yafferge.ru/wix?keyword=pokemon+card+checklist+online In PDF document text

  • https://static.s123-cdn-static.com/uploads/4411218/normal_5ff8f7a55e849.pdfIn PDF document text
  • http://vosajizegek.mypressonline.com/lesalamuxopebu.pdfIn PDF document text
  • http://fexevewuli.mypressonline.com/gimp_layer_mask_explained.pdfIn PDF document text
  • http://kamikofonem.mygamesonline.org/church_emergency_preparedness_manual.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368487/normal_5fe81ab9a48ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478951/normal_6036c0e792d14.pdfIn PDF document text
  • https://puvugaluruwibok.weebly.com/uploads/1/3/4/4/134445294/kutafevirukutix_ludowiwav.pdfIn PDF document text
  • http://poradoit2.site/2010_camaro_ss_supercharger_zl1ykt01.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408987/normal_5ff2b3aef15cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464529/normal_5fd111f275426.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490724/normal_603149748e858.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401694/normal_603e17a53964d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://jujageritoxo.atwebpages.com/sex_education_tv_show_rating.pdfIn PDF document text
  • http://vudunebavibag.epizy.com/weather_report_today_melbourne.pdfIn PDF document text
  • http://favigagiwu.epizy.com/63971976817.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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