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.
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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://ttraff.link/123?keyword=horizontes+perdidos+pdf+gratis In PDF document text

  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdfIn PDF document text
  • https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/sikixewebawuni.pdfIn PDF document text
  • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/e9dfe0483.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/nafoku.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/zowaxom_dodofefujepa.pdfIn PDF document text
  • https://bigogewoxof.weebly.com/uploads/1/3/0/7/130739615/c80c87b9e3b52f.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/58acf9aebc.pdfIn PDF document text
  • https://dapujevubo.weebly.com/uploads/1/3/1/4/131438680/4abdc26250fc54.pdfIn PDF document text
  • https://zisokilusativ.weebly.com/uploads/1/3/2/3/132303079/xezojisalojotepozoba.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/92286494501.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/borges_library_of_babel.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385620/normal_5f8d541f29a1d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368266/normal_5f8d4bf146ba1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366020/normal_5f87774521690.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368762/normal_5f88ed45e167c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007329.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007329.bin)
  • https://cdn.shopify.com/s/files/1/0496/0888/4375/files/excel_heat_map_by_zip_code.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/8600/8486/files/83366665201.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6690/8063/files/38782199005.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9050/0001/files/dashboard_android_studio_github.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91850135-a783-4334-aa95-7358e551236a/jewexinabu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd93bf6d-2f90-4bb6-9857-be2fb3675527/2778955259.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5246794b-861c-4ee9-ad6f-395c7c80c33e/80845249627.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 extracted file (font_00_sfnt_off00007329.bin)

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