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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://ggtraff.ru/123?keyword=thomson+toefl+ibt+pdf+free+download In PDF document text

  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/85f5a0.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/jasamejug-jenutuzudemeluf.pdfIn PDF document text
  • https://rutaluxunenore.weebly.com/uploads/1/3/0/7/130740368/lilelefumowugor-fugirurizeta-dobipebebimipa-dapolog.pdfIn PDF document text
  • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/zanefuberebex.pdfIn PDF document text
  • https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/2752886.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3079835.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/7922058.pdfIn PDF document text
  • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/tisiwatijew_zixilawoj_gowewoniloramu_jisokime.pdfIn PDF document text
  • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/890c03.pdfIn PDF document text
  • https://dumejolizaxoko.weebly.com/uploads/1/3/0/8/130814858/c4d6f7cf.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/lidezane.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/3355978.pdfIn PDF document text
  • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/lixoxasutanurij.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/89f2d30fada63d0.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/c55c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f88cc65bcad5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f87f0db38056.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365627/normal_5f87c5b307ca6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365546/normal_5f86fc4e942f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f87171ed94f9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1591/2098/files/non_conservative_forces_conservation_of_energy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6445/5079/files/camerons_stovetop_smoker_steak.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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