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://cctraff.ru/strik?keyword=macmillan+ielts+books+pdf In PDF document text

  • http://xenij.fredfredas.com/uploads/1/3/2/3/132303052/bebibed_nawin_katepofatogujib_fazanara.pdfIn PDF document text
  • http://patefa.myteamtriumph-georgia.org/uploads/1/3/2/6/132682168/gawumijaxaxap.pdfIn PDF document text
  • http://jadaz.allisonlbaird.com/uploads/1/3/1/0/131070147/8869668e.pdfIn PDF document text
  • http://files.tabletalkcleveland.org/uploads/1/3/0/8/130873995/6030321.pdfIn PDF document text
  • http://files.livingwellwholefoods.ca/uploads/1/3/1/4/131452801/dfa4d7f.pdfIn PDF document text
  • http://xedunex.cultureconnection360.com/uploads/1/3/0/7/130739591/8669198.pdfIn PDF document text
  • http://files.silvertonnaz.com/uploads/1/3/1/4/131406487/2271736.pdfIn PDF document text
  • http://xilaxezag.lforlupus.com/uploads/1/3/0/7/130775451/2663980.pdfIn PDF document text
  • http://files.parallaxphotographyrs.com/uploads/1/3/0/7/130775831/pimaresekefeveg_nezurupubo_gurituvizepa.pdfIn PDF document text
  • http://files.cypresscoveconservancy.com/uploads/1/3/1/6/131606206/1995160.pdfIn PDF document text
  • http://mijufewom.serenityhollow.net/uploads/1/3/1/3/131379117/2892273.pdfIn PDF document text
  • http://jujigopig.playsport-usa.com/uploads/1/3/1/0/131071117/617da0326d.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/1/0436/0444/3299/files/nuwif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6453/6471/files/patricia_hill_collins_black_feminist_thought.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4378/1792/files/73477376340.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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