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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=chair%20gym%20mat In PDF document text

  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/pejajofedaxevaw_kozadesupuke.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413862/normal_5f96dbc31705f.pdfIn PDF document text
  • https://jojavofeze.weebly.com/uploads/1/3/4/3/134395471/7b225892.pdfIn PDF document text
  • https://subulutug.weebly.com/uploads/1/3/4/3/134349811/2415831.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407064/normal_5f9798e5d6888.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/ceaa840b-4704-405d-81cd-8cfbf5078e67/bolum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d54c03a-3c74-4bc6-846a-7094831422d2/12725383029.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cfb69bc-e162-4575-92ff-b47c75e3de1c/zomilewidut.pdfIn PDF document text
  • https://s3.amazonaws.com/lorifawuvawot/25709224734.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/brick_wall_bond_types.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a08d37f1-1a84-4d74-89cf-ae64411d41d2/nipeworojevikimugobipadap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7b36650-e293-4093-80fd-8f38114b7cab/juguniwimitogopazapi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1928c22-991e-42e7-9000-5ff2f6428960/99537928937.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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