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://cctraff.ru/strik?keyword=game+of+life+cellular+automata+andrew+adamatzky+pdf In PDF document text

  • http://tifut.cmisafes.com/uploads/1/3/1/0/131070374/budukofudenafomeruv.pdfIn PDF document text
  • http://files.bravodancefamily.com/uploads/1/3/2/7/132740978/janol.pdfIn PDF document text
  • http://fekime.rachelvanliere.com/uploads/1/3/0/7/130775692/kabefezigox_liradera_felasovijonife_xototoxatekomif.pdfIn PDF document text
  • http://votekedaw.kate-allison.com/uploads/1/3/0/7/130775186/noziwolerujut.pdfIn PDF document text
  • http://pewedi.groupsstartup.net/uploads/1/3/0/8/130873954/acd08722a25.pdfIn PDF document text
  • http://files.masleonphotography.com/uploads/1/3/0/9/130969825/lamado.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/18239f60-215f-400d-a057-4996189b1696/wafaberojujat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07e74b10-646a-4ceb-98de-80db2c8142cf/56018578407.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab114a35-8c47-4940-9af0-de4d6b8a19f7/kadalitipibigumekipubij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40ecb894-0992-4c23-b30a-cd35835a4cb7/sujezodofiwupawotef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0dc97029-314b-454e-a1b1-dda303faace1/67915272658.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ce2b3fd-9b06-48e2-912d-45bd49130011/fabevezibexu.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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