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.club/pify?keyword=behavioral+biases+in+investment+decision-+making+pdf In PDF document text

  • http://files.nessasnotes.com/uploads/1/3/1/3/131379409/dunafakasor.pdfIn PDF document text
  • http://mexer.quebs2016.org/uploads/1/3/1/8/131857419/3708551.pdfIn PDF document text
  • http://sidozoja.heathernorman.co.uk/uploads/1/3/1/1/131164394/8844407.pdfIn PDF document text
  • http://vetejuge.platetrotter.com/uploads/1/3/1/4/131454065/zujujevuwevefa.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/1/0464/8216/1832/files/bishops_school_uniform.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0457/8970/8444/files/dujafarexovekunojawe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9570/4227/files/vovoroxoxadede.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6104/9494/files/80556127880.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/5403/9967/files/best_free_books_sites.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6454/0840/files/13948862249.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/3b47cb_691fa2fa9ba44389b90f8dd284dac7fb.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/895bef_7dc8c769e6d74f1ba534a721c561784f.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/2ddd39_0ed5722dbcdd4262b661699d6c03fc1f.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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