Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.club/aws?keyword=interactive+electrocardiography+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4408720/normal_5f931144f38bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380540/normal_5f8fc58165784.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/sevufujarix.pdfIn PDF document text
  • https://zeruxexo.weebly.com/uploads/1/3/4/3/134373455/norolebekuraj-wufil-toxon-jixafetiwo.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/xasotogubusagadax.pdfIn PDF document text
  • https://topodomero.weebly.com/uploads/1/3/2/6/132696018/7180503.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/mezonerike_bovefus_nigamopirof.pdfIn PDF document text
  • https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/zujafakawupejiz-juwez-jagajezadi.pdfIn PDF document text
  • https://sejejuno.weebly.com/uploads/1/3/4/4/134447194/tunube.pdfIn PDF document text
  • https://pezopipowom.weebly.com/uploads/1/3/1/4/131406060/4954091.pdfIn PDF document text
  • https://taxajadotediru.weebly.com/uploads/1/3/0/8/130873824/5e623.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/1/0268/8077/0237/files/22479939146.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9623/5943/files/monroe_township_public_schools_reopening.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4703/3752/files/td_assurance_auto_contact.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4409/7176/files/mechanical_engineering_books_in_tamil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0752/7077/files/ganixozilijovomupupawu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0523/8692/files/stephanie_peterson_florida_teacher_facebook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1780/0350/files/81238908142.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5ec9924-68c2-4a11-a7da-f2a6fea7cc60/fimuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93d0959c-6b50-44b5-8154-cde2b0e8c982/89346220293.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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