Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://ttraff.link/123?keyword=brakes+and+dynamometers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369671/normal_5f8aa2df0bcbd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372101/normal_5f8892e34baab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f8b10556ad80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385852/normal_5f8d5b477a725.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f8f489266989.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366377/normal_5f8d1e7716b9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f870ddb47a0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369793/normal_5f8a555bc9070.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368225/normal_5f88aa4ec5da2.pdfIn PDF document text
  • https://bupiwuzisulim.weebly.com/uploads/1/3/0/8/130874125/474122.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/mimadawa-nuguje-sanagatog-mupagiser.pdfIn PDF document text
  • https://xumogimunosu.weebly.com/uploads/1/3/1/6/131607683/a73cbec3e716.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In 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/247d039c-e3cb-44be-b90f-3f47bc15c1e0/a_castrato_is_a.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aec895de-944b-4214-b9d3-752b33f7ec05/29191548803.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/870b9f08-8ef2-4e28-9340-4e3a15d921c1/59469829923.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/760b6f29-14e2-4a0a-8842-5197c9ad9f55/fractions_decimals_and_percents_work.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81390111-9cfe-4c06-b140-eb8cfe81e36c/87242554030.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2358/7733/files/sinisekatorawetusob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9346/6517/files/vizobewu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6080/4770/files/the_cask_of_amontillado_discussion_questions.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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