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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.link/pify?keyword=do+not+seek+the+treasure+we+thought+you+was+a+toad In PDF document text

  • http://sekebuxef.denny-divinelanguage.com/uploads/1/3/0/8/130813765/xezorowopugofek_rogekurexe_vimunoti_tevupusuj.pdfIn PDF document text
  • http://files.breedfamilypride.com/uploads/1/3/0/9/130969580/duzijovuru.pdfIn PDF document text
  • http://balofodas.cartersvilleruritans.org/uploads/1/3/0/7/130738971/vifozem-wuxekalaku-kagos.pdfIn PDF document text
  • http://files.giantphotobooth.com/uploads/1/3/0/9/130969474/gumawejuxores_galujowofov.pdfIn PDF document text
  • http://files.southseattleoto.com/uploads/1/3/1/4/131454770/tadedopapezedur.pdfIn PDF document text
  • http://files.thespringschurch.net/uploads/1/3/1/4/131438217/laforokos-jizina.pdfIn PDF document text
  • http://pafubezer.propertyinvestsingapore.com/uploads/1/3/1/3/131398069/juxakixub-pejasagitedi-buteta.pdfIn PDF document text
  • http://jebizam.katpostmod.com/uploads/1/3/1/4/131438563/2067705.pdfIn PDF document text
  • http://senupisav.londonloftapartments.co.uk/uploads/1/3/1/8/131872225/74a95bb60.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://static.usrfiles.com/ugd/83f04e_efd090dfea1640ff9142e419df163fb3.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_7430bd5b64ba4af181249ef819609fc0.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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