Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://ggtraff.ru/strik?keyword=canton+high+school+band+il In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371786/normal_5f935cb2a32fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5fa3ce90bd935.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f890b0453dfd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376606/normal_5f919ffe1d3b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366652/normal_5f8e7607807d8.pdfIn PDF document text
  • https://melesosinipedo.weebly.com/uploads/1/3/4/4/134475371/191136.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f89a2ddeaadd.pdfIn PDF document text
  • https://duxixujojive.weebly.com/uploads/1/3/0/7/130739103/junapew-xawikeletejo.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/bepukuba/shakespeare_made_easy_romeo_and_juliet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0442b8c-45de-490a-959d-83c39a7f814e/85121835284.pdfIn PDF document text
  • https://s3.amazonaws.com/kamigovitakiril/animal_crossing_amiibo_list_new_leaf_items.pdfIn PDF document text
  • https://s3.amazonaws.com/pibajuwi/arabiyyah_bayna_yadayk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa47ab85-af08-48bf-a575-d6d0b197f9c5/spotify_code_generator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e7583df-3c97-4556-a57a-0e74eb2af1f2/50990728512.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/pathways_high_school_east_haven_ct.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a081f717-7373-4392-95c5-6c0fc0d5c2e5/ditavo.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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