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.
• 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.
• 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://trafffe.ru/123?keyword=shutter+island+pdf+free PDF link annotation

  • https://zagusopiv.weebly.com/uploads/1/3/4/2/134234894/xilupitepejod.pdfIn PDF document text
  • https://zefubolinela.weebly.com/uploads/1/3/4/3/134318842/pijal.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/5003d5cbc57e5.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://tojupeti.files.wordpress.com/2020/11/pakasu.pdfIn PDF document text
  • https://nevosaxovib.files.wordpress.com/2020/11/vuvemi.pdfIn PDF document text
  • https://suvarofora.files.wordpress.com/2020/11/95519257918.pdfIn PDF document text
  • https://fefitaw.files.wordpress.com/2020/11/64939725781.pdfIn PDF document text
  • https://lajoluxozuf.files.wordpress.com/2020/11/76247004013.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8cab4fc-9fc3-4de8-952c-24434603439f/42809876791.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31f4ed40-a675-45a1-a867-0b473fef4ed2/6623485540.pdfIn PDF document text
  • https://zixenojolamu982242810.files.wordpress.com/2020/11/meranekilug.pdfIn PDF document text
  • https://rerazozadupe.files.wordpress.com/2020/11/el_misterio_de_belicena_villca._download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32c4aeea-3d14-4f9a-af8a-3b8952c9e10e/10825178562.pdfIn PDF document text
  • https://metarubar.files.wordpress.com/2020/11/um_azhagana_kangal_song_free_downloa.pdfIn PDF document text
  • https://likuzow.files.wordpress.com/2020/11/40264502684.pdfIn PDF document text
  • https://xigikomi.files.wordpress.com/2020/11/motology_motor.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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