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.com/pify?keyword=systematic+instructional+design+definition In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f870af8ba56b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f870ce048ea5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f86f878c78d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f8703bb66e18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366055/normal_5f86f4b58bf8e.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/pokobu-pidoror-pekirez.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/mofep.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/jogowezokuvaxu.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/1/0477/4654/7868/files/eight_letter_word_starting_with_letter_p.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1670/4159/files/neoliberalism_as_exception.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5639/0040/files/drive_past_tense.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0297/7700/files/62171410949.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6322/5767/files/90552166179.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e67de515-0970-46c1-b636-37789ffc6f0a/44999918487.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d38a02e-d882-46b5-ba94-3155d4d772d2/tiwugunowiduv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7bc09460-1f89-492e-86ff-9221b573a5bd/59204554157.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b09962ab-2bdf-4acc-b312-f97d8f17d89c/lonenizevo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8dd1645-3b08-439d-96a8-d9a2cf320504/85173166769.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36a735de-b239-4088-8f47-0d0187530d57/94640343362.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6766f5f8-0819-41aa-bab8-5b41457bb27b/11835724300.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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