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.club/pify?keyword=do+you+answer+the+call In PDF document text

  • http://files.middlelanefarm.com/uploads/1/3/0/8/130874519/6332178.pdfIn PDF document text
  • http://files.igrivera.com/uploads/1/3/0/8/130813489/zibadujedokom.pdfIn PDF document text
  • http://files.lookingbacklineage.com/uploads/1/3/1/8/131856333/jesoku.pdfIn PDF document text
  • http://vaxexak.pharmacystudybuddy.co.uk/uploads/1/3/0/8/130874260/wimuzip-bojadewimepelan.pdfIn PDF document text
  • http://files.holytempleufwb.com/uploads/1/3/2/3/132302872/02363d1f303df5.pdfIn PDF document text
  • http://files.angelpractitioners.com/uploads/1/3/1/4/131437983/pupeso_jerap.pdfIn PDF document text
  • http://files.naturesedgeeq.com/uploads/1/3/1/3/131379219/9919116.pdfIn PDF document text
  • https://site-1045384.mozfiles.com/files/1045384/99083186854.pdfIn PDF document text
  • https://site-1038975.mozfiles.com/files/1038975/48233653086.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/1/0481/2881/9353/files/john_mariani_wine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9271/2349/files/circles_and_arcs_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6367/0944/files/kebuginipoluxemot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3001/0785/files/carmax_return_policy_reviews.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/3585/6543/files/14477959566.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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