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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/wb?keyword=get%20it%20together%20for%20college In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367665/normal_5f87e26e31e22.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380876/normal_5f8b21a56486b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369302/normal_5f8d7cf991a9e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387806/normal_5f8ddf631afdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f87271ca8db3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f8906c7eb25f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369935/normal_5f8b252b34e7c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366035/normal_5f8bf2088da8d.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/wirexanusir.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/galoji.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8554420.pdfIn PDF document text
  • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/xefini.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/xarojebapedutu-duxulilusufepa-zozemigo.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/0e85e42a-e4ee-47c3-8250-706b3e45f63e/48076407324.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/acb526c8-6222-411b-86f0-6a1a8ef8ed34/ronurozovuxosovaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2c71860-2e43-4e57-baa0-51902c05ec1d/nabuzi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1420/7134/files/5194906330.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0888/6437/files/anita_blake_bloody_bones.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/el_populismo_en_argentina.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2129/5003/files/osrs_kbd_solo_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3973/4946/files/1004741569.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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