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://ttraff.ru/123?keyword=danse+paris+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4389366/normal_5f94548e7a616.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411917/normal_5f9807ff63262.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409257/normal_5f98154fa3435.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419430/normal_5f966d48d3898.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391009/normal_5f926a9c1e27b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365655/normal_5f8722de5af8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374703/normal_5f97c9ab763b2.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/1/0501/5578/2309/files/kagetitazujutum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2850/3464/files/41489723638.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9377/7302/files/film_screen_radiography.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5937/9875/files/29259632382.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/0229/0079/files/trusty_lady_and_the_tramp_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1497/9221/files/difficult_thanksgiving_word_search.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7349/5734/files/41008078518.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3858/7552/files/diludizeropizifip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/an_orange_for_frankie.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1860/7521/files/maths_formula_class_12.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7198f701-224c-4702-a848-569b3a8ceeaf/dufiru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87da7724-4603-44b7-b8b6-db27a67a69ee/what_message_does_romeo_give_the_nur.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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