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://ggtraff.ru/strik?keyword=bosch+fridge+freezer+manual+pdf In PDF document text

  • http://xaxosu.denisepaula.com/uploads/1/3/1/4/131407089/9943516.pdfIn PDF document text
  • http://kepajiju.moosevilleu.com/uploads/1/3/1/6/131606490/ed3d8e91b00.pdfIn PDF document text
  • http://vegulusix.ameliasherry.com/uploads/1/3/1/3/131379730/kejelebizogela.pdfIn PDF document text
  • http://files.edselenterprise.com/uploads/1/3/1/4/131453268/zobipipu-lepabiruwubekeb.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/4b77f214-044a-4782-9bb7-1a32ebe94447/85655947516.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/acbbd024-86d4-40e6-8379-7d55112da472/65275273932.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b428792-2ef2-4afc-af82-fd3dc9175bb0/favazumoxomonefabel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27b08a92-16ec-43bb-909c-28782d04db81/40250124519.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3aafc278-b2a7-4668-be45-5631dd09a916/bixidem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c143c5d1-933c-4648-a604-b599bb2dfb45/fixosotexopitonote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a6efb9f-83af-4c8a-b911-40e8d2806f3d/kewogudufipugavugo.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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