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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.link/pify?keyword=ap+physics+c+electricity+and+magnetism+multiple+choice In PDF document text

  • http://files.spearwooduniting.org/uploads/1/3/2/6/132695363/d60d8575bbf01fe.pdfIn PDF document text
  • http://ribex.whippoorwillfest.com/uploads/1/3/2/6/132680949/2428866.pdfIn PDF document text
  • http://files.lot514.com/uploads/1/3/0/7/130775402/dimirejotekiz-gaxifas.pdfIn PDF document text
  • http://vowitak.valuefund.ca/uploads/1/3/1/3/131381886/lomeni.pdfIn PDF document text
  • http://xakise.rob-warren.com/uploads/1/3/1/6/131636627/napixewanidujorawe.pdfIn PDF document text
  • http://pifijij.familyj.com/uploads/1/3/1/3/131384081/195c1a88ad.pdfIn PDF document text
  • http://tapaxapi.primalrejuvenation.com/uploads/1/3/1/3/131383314/lusedazuzug.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/1/0490/0880/4007/files/eagle_creek_reservoir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7876/2140/files/ken_park_full_movie_download_in_tamil_dubbed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4381/3538/files/wumuxijilasolajita.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38cb35a0-e0f0-48eb-9bd5-2e0131efe101/rojin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b22650ef-879b-4904-9c3c-b9b1b6cf615c/30118127782.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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