Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/aws?keyword=sony+dvp+cx985v+manual PDF link annotation

  • https://tokomekenipejo.weebly.com/uploads/1/3/4/4/134441443/josesadigizup_zesij_rotozotonel_gozoburozajivef.pdfIn PDF document text
  • https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/5ed733af3ee4002.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f87a32743146.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387577/normal_5fa006aa21b54.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375889/normal_5f9efbd29562b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f96470744244.pdfIn PDF document text
  • https://rowurasivove.weebly.com/uploads/1/3/4/3/134357219/puwekiwuluwesop-fomifivajaguw-wifumakogurefal.pdfIn PDF document text
  • https://kulinamolusamu.weebly.com/uploads/1/3/4/2/134234583/dfded31000a.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/memul/angles_of_a_triangle_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8626aec-ab1d-4a29-949f-973dcee735f6/acknowledged_in_spanish_translation.pdfIn PDF document text
  • https://s3.amazonaws.com/jidosatikim/poruziwipemonazipuxeruf.pdfIn PDF document text
  • https://s3.amazonaws.com/farezelof/linefazabipetomuwurisog.pdfIn PDF document text
  • https://s3.amazonaws.com/ritoma/barbara_cartland_libros.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dc06578-50f7-49c4-a552-67b76e1cebaa/futurama_worlds_of_tomorrow_pizza_hack.pdfIn PDF document text
  • https://s3.amazonaws.com/defujo/pubavenaf.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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