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=logical+and+analytical+reasoning+pdf In PDF document text

  • http://files.fireadysg.com/uploads/1/3/1/3/131398507/b495c466cd7fef6.pdfIn PDF document text
  • http://ziviw.socopeds.com/uploads/1/3/0/7/130740118/4790335.pdfIn PDF document text
  • http://ruvobe.rangebourne-pets.co.uk/uploads/1/3/1/4/131453960/4217390.pdfIn PDF document text
  • http://files.nexlevelthinking.com/uploads/1/3/2/6/132681976/fe351.pdfIn PDF document text
  • http://xobuz.spiritrestretreat.com/uploads/1/3/1/1/131164021/sejiwazakoxiz_pebuta_magewew.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8481/1940/files/venturer_scout_rank_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/dalazanide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8301/5344/files/ana_maria_cuervo_libros.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/2339/6775/files/shaping_psychology_definition_example.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1da2d78-2deb-4310-9ebe-87ee8036fc1d/41050947308.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1a57897-b8ba-4bcd-87f2-b05949b757ac/5701404397.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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