Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=latest+kodi+apk+for+firestick PDF link annotation

  • https://jedotulaxadetin.weebly.com/uploads/1/3/4/5/134587896/gavatar-zowokoj-lebadakenuni-diwukepiji.pdfIn PDF document text
  • https://donodofi.weebly.com/uploads/1/3/1/8/131856097/7456605.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/busixakowun_zefisuni.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/guxosa/20592203155.pdfIn PDF document text
  • https://s3.amazonaws.com/domegagowevag/full_seminar_report_autonomous_car.pdfIn PDF document text
  • https://s3.amazonaws.com/nitajosasa/alfred_rosenberg_livros.pdfIn PDF document text
  • https://s3.amazonaws.com/ganubatebedoxez/windows_loader_free_download_windows_7.pdfIn PDF document text
  • https://s3.amazonaws.com/jivuxo/16897179625.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a85ee97-785a-400c-9af0-b059066ad849/27821284334.pdfIn PDF document text
  • https://s3.amazonaws.com/xotomisen/95411335900.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c73e2fca-9a7e-4cec-bfb7-92f2b17b134a/xbox_one_controller_wont_stay_on.pdfIn PDF document text
  • https://s3.amazonaws.com/tokafanawa/jokid.pdfIn PDF document text
  • https://s3.amazonaws.com/roware/antigone_cambridge_translation.pdfIn PDF document text
  • https://s3.amazonaws.com/zepifudoxapo/algebra_regents_january_2015_answers.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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