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/123?keyword=ascaris+lumbricoides+ciclo+biologico+pdf In PDF document text

  • https://s3.amazonaws.com/zirojopemup/ansi_c_solutions.pdfIn PDF document text
  • https://s3.amazonaws.com/wusone/continental_divide_trail_map.pdfIn PDF document text
  • https://s3.amazonaws.com/bagisi/14272507159.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/thyroid_cancer_guidelines_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/suzixegazunow/metallica_seek_and_destroy_tab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389080/normal_5f9002e1c135e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f8704be7b932.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374022/normal_5f8e1842dc56a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377109/normal_5f8b54117e957.pdfIn PDF document text
  • https://s3.amazonaws.com/pajukovuxetu/81629361621.pdfIn PDF document text
  • https://s3.amazonaws.com/bubodeliza/alrededor_de_tu_mesa.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/gudunikixigaxemevanopop.pdfIn PDF document text
  • https://s3.amazonaws.com/gupawupigawono/download_any_file_online.pdfIn PDF document text
  • https://s3.amazonaws.com/banula/32385033783.pdfIn PDF document text
  • https://juxupadozimufa.weebly.com/uploads/1/3/4/3/134388451/94380a41b622db.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/4045700.pdfIn PDF document text
  • https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/bixew.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006952.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006952.bin)
  • https://uploads.strikinglycdn.com/files/a96ac025-33a1-43c1-b8ed-36db10d14352/gosodigig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4469738f-e12f-46f8-9275-643d5ca59a2c/40503310906.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f586d463-4b55-4eb2-a553-6c3512f2e0cb/losumurudivo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dc6f5aa-8df5-42e1-b22a-0b6ef3b22a4f/wurake.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 extracted file (font_00_sfnt_off00006952.bin)

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