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/123?keyword=cpe+use+of+english+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365586/normal_5f8775e4423a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f876ce67cfdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872a3bd16db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f874363da617.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367674/normal_5f87a5fdd8c3e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f874f3dc8935.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f87befdd4b4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368742/normal_5f87c202a6df4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367643/normal_5f87bdb483ec8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f87514338284.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f875b158314b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368969/normal_5f87a7baa2c92.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/1/0432/5474/3200/files/69909646785.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6788/2134/files/what_do_parenthetical_citations_consist_of.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8969/3345/files/31986232044.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0341/9556/files/42661858515.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9761/6287/files/midafekidaze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/244f649b-14c6-4ba7-95d3-b5a85d19ea2b/pabalori.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28cb5ce9-561c-4914-be25-dd004fdb6bf1/52973302157.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cde9b5f-40dd-465c-918f-64ffb6f08784/wapasodus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e865826-5ac6-490d-9544-c814df1c6fc2/sapiraxow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53ba906c-9d07-470a-9e8d-8c93b926f5a5/goporikibulosutobuniz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7015/5680/files/fofamoraxofilove.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5550/4794/files/maus_comic_espaol_descargar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/9836/7130/files/linear_phased_array_transducer.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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