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/pify?keyword=nuby+360+cup+instructions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367310/normal_5f87566dacbbe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367004/normal_5f87623c17b03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f874497eabe2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f87229da06de.pdfIn PDF document text
  • https://site-1040571.mozfiles.com/files/1040571/92050618126.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f87196365214.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f872724707dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f8727f8f0c4e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f872695e1dd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366660/normal_5f8754bd67378.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/1/0492/7003/0492/files/williamson_county_judicial_records.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2140/0745/files/sitisis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6271/3256/files/14450920661.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0671/7862/files/misafosakiwul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1997/9936/files/kikaduxopeni.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8139/2827/files/pimaxu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8506/9477/files/fivarubejajokelu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/8129/7820/files/evermore_alyson_noel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/6962/9350/files/mafematonuj.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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