Malicious PDF — malware analysis report

Heuristics 4

• 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 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://gettraff.ru/wb?keyword=mardi%20gras%202020%20parade%20schedule%20mobile In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f883e9bce153.pdfIn PDF document text
  • https://dunabosugetagek.weebly.com/uploads/1/3/4/6/134601841/e833110db35.pdfIn PDF document text
  • https://jelopujepifo.weebly.com/uploads/1/3/4/3/134341958/1297798.pdfIn PDF document text
  • https://pefemodadiz.weebly.com/uploads/1/3/4/5/134520562/b829e23.pdfIn PDF document text
  • https://fineruliji.weebly.com/uploads/1/3/4/3/134313455/limunuw-piragemo.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/supazaxalel.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/70388ee66.pdfIn PDF document text
  • https://detosujedeke.weebly.com/uploads/1/3/4/3/134371576/7882779.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c34bbcb7-8ccc-4dce-bda7-6e092719366f/nejuzemuzemewo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ea897fb-0d2b-4199-8a70-184bc2e8d281/xuwujuluvubemoxuretutip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4741/1608/files/cisco_spark_codec_plus_user_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/zedudo/fifty_shades_of_grey_parents_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e26ce679-54bf-4762-97e7-76a58008cb2c/guwufudisevit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47e3b113-1a75-4df2-8f24-812107e688b3/jivaxumakoxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc6a5830-f144-407a-b44f-fdd94000cefc/15849398949.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/mobotidemubijuzulegiw.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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