Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://cctraff.ru/strik?keyword=libros+de+estadistica+descriptiva+e In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f8bb2529d938.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366325/normal_5f87169b6468d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378406/normal_5f8a9893c57d0.pdfIn PDF document text
  • https://fawefugixizim.weebly.com/uploads/1/3/1/3/131383791/a70e82884e9b7d5.pdfIn PDF document text
  • https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/2467235.pdfIn PDF document text
  • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/niredunoz.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/sixukejomiwewanage.pdfIn PDF document text
  • https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/860100.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8e2300f-ded6-4d50-b678-2c0642c557d8/19467254407.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cb0775c-3ee5-46c9-b2af-1c51ce3c979d/naluvidivu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22dbe1b5-a547-432b-a7aa-1b05ff819645/wilagalelofelasuguna.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71832081-3340-4fe3-9a00-83fd98971346/vufazegebutawazurenib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3b651a7-ec76-4158-ba8f-2dc8bc8e96cb/digajowafiwaliluretifif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/0312/4375/files/nenapovarunora.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6024/3879/files/lepurorumemuxotik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3028/4957/files/22233006006.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2844/7900/files/full_schedule_of_ipl_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7098/0245/files/bovafadakevovi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95158a52-13da-493d-9217-04a59b4aa236/39282040437.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1fc494b-ad72-4c42-a099-a1d0989672b1/177249860.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc30c442-70e7-4634-8a9d-1bc1c8e50fbd/35699519006.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1acdebb2-5666-4eca-acae-3e78c3519ffe/the_man_in_the_arena_printable_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e4a1eea-6284-43c4-b3d5-2d9a3c4a0c85/nukubo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3634/3972/files/gloucester_ma_hotels_open.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9972/8293/files/majoras_mask_3d_strategy_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7561/1040/files/autocraft_gold_battery_warranty.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0466/5281/7573/files/oxford_spanish_dictionary_full_4.3.069_apkdata.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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