Malicious PDF — malware analysis report

Heuristics 4

• 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 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://traffking.ru/aws?keyword=fantasy+football+roster+sheets+printable+2018 In PDF document text

  • https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/1095510.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403417/normal_5f9cee6f22f43.pdfIn PDF document text
  • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/4fd30b.pdfIn PDF document text
  • https://bogadisosupotaj.weebly.com/uploads/1/3/0/7/130776541/8701999.pdfIn PDF document text
  • https://gofubajub.weebly.com/uploads/1/3/4/6/134632898/2174765.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/menedo-fodizelusekom.pdfIn PDF document text
  • https://sexozorojupur.weebly.com/uploads/1/3/4/3/134390270/5562806.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406516/normal_5f943afbbd12a.pdfIn PDF document text
  • https://pexazunawilaga.weebly.com/uploads/1/3/4/2/134265520/2774210.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/e6372efb-ab64-4ee7-ac07-05143c38c760/buwafat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a72d95f6-e048-474e-98dd-69da8a63d04d/ak_magazine_rebuild_kits.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1620843-d6b5-42fd-a6e4-a9dda44f04ae/gfx_pack_download_photoshop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cfca3d2-2273-4cb8-baed-7b5b003a34d8/gidubamataraladud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/487677f7-93ca-4b2a-88da-032370f747e6/bowatugelusa.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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