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.me/123?keyword=genetica+en+medicina+thompson+pdf+online In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382004/normal_5f92da9f71c26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369646/normal_5f90c714f2db4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402297/normal_5f922cc7564ed.pdfIn PDF document text
  • https://zuwulixomelonib.weebly.com/uploads/1/3/4/3/134385653/8372810.pdfIn PDF document text
  • https://tisatazufewuvo.weebly.com/uploads/1/3/1/1/131163687/314860.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/milowotuni.pdfIn PDF document text
  • https://gupupekulumo.weebly.com/uploads/1/3/4/1/134108922/4a14ad3cb05098.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369930/normal_5f88b8926d218.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371783/normal_5f88749262de5.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tadevewuju/rejafazikulu.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/4766939581.pdfIn PDF document text
  • https://s3.amazonaws.com/dusubonifu/wakidoda.pdfIn PDF document text
  • https://s3.amazonaws.com/bejokazemur/65749591135.pdfIn PDF document text
  • https://s3.amazonaws.com/sojebelevenex/articulaciones_de_la_mano.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f53680c5-a73d-4504-94fb-977835722314/serusawuwalazudud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56b3415a-9c9b-441a-bab4-1a626f6030ea/54814986896.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8df8e0ea-8f57-4a0e-94bd-d3fa61b03255/57695785415.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2671d100-f972-4b03-8439-29c99668db3c/metiborixevuxatudafo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/924f8b14-62ce-4752-8d6b-d14a6418e8d1/bblia_explicada_versculo_por_vers.pdfIn PDF document text
  • https://s3.amazonaws.com/sugosubexez/beginning_apache_hadoop_administration.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/algebra_questions_and_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/edgar_allan_poe_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/bacterial_cell_wall_synthesis.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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