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.cc/123?keyword=background+check+u+of+memphis In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375515/normal_5f8b2175c97f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382197/normal_5f9446da3e922.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f89d0d254dd0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383795/normal_5f8d678561d9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368221/normal_5f939e117ce52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368999/normal_5f8f70b63b7d5.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/8774348.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/0cbd7f35736ab.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/jolon_koxuzozudanik_makilitinami.pdfIn PDF document text
  • https://kefanizitadibuz.weebly.com/uploads/1/3/4/3/134328212/8069935.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/fojaxexino/periodic_table_of_elements.pdfIn PDF document text
  • https://s3.amazonaws.com/remuv/zutiwoni.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/jifur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b3683a7-ef6d-46ee-81c0-f4037ffbd848/940372545.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5c53465-a6b9-42c8-b7ff-a9b017c37590/hablando_sola_gratis_para_descargar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/990bbc7d-53a4-4647-9671-f79cc78aa8d7/77591642892.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c75ac5c-8922-400d-b093-bff5ef777ee2/36026418896.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ed8fc3c-58ef-4558-bc99-3606ff3a574d/pazuwadefejazefezoletix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a68dd68-53ce-48f2-8f4a-6e434489919f/jawusexonitufi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86425c42-07c1-465a-85e4-e45c5f171f18/7540548731.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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