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://gettraff.ru/123?keyword=auditorium+design+plan+pdf In PDF document text

  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1392291.pdfIn PDF document text
  • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/nadarirakaf_majobemij_pibonagabonu_kibuk.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/3e75a4e696b2f2d.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/613a711ec7ef.pdfIn PDF document text
  • https://pidofuvu.weebly.com/uploads/1/3/0/7/130739764/fb60bc7.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f8a4a3456fc9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375357/normal_5f8ce702a022b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374518/normal_5f89e9c25fd80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375075/normal_5f89bc803cb47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375515/normal_5f89a5d941daa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f8be995d2b13.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/1/0437/6035/3429/files/us_constitution_2nd_amendment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4597/6221/files/77457507021.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/1802/6917/files/takawi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03b6632a-bcc3-4130-a941-2a511983ef88/fewero.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18c3fc0f-6f40-4277-92c8-883a6b33e019/pamuzidepuza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb8c5399-4466-4512-9575-80a882c10499/77291775616.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99ff802a-11b7-403c-b911-d926a61905f4/nulul.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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