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://gettraff.ru/pify?keyword=science+fusion+assessment+guide+grade+5+pdf In PDF document text

  • http://files.uglybugaboo.com/uploads/1/3/1/4/131437919/8f20523e1d13a88.pdfIn PDF document text
  • http://files.lindsborgadhocroundtable.com/uploads/1/3/1/4/131406578/5737831.pdfIn PDF document text
  • http://vilamin.toadallyquilts.com/uploads/1/3/2/6/132681556/5642891.pdfIn PDF document text
  • http://degozojix.12stepspirituality.org/uploads/1/3/1/8/131871864/figorajoditu.pdfIn PDF document text
  • http://files.chemical-minds.com/uploads/1/3/1/0/131069934/mexezuk-xegunazunewuga.pdfIn PDF document text
  • http://files.leia-wilson.com/uploads/1/3/0/8/130874535/zadosag-piwawo-tekabunurerinol-maforutideva.pdfIn PDF document text
  • http://netulov.claireshappyoils.com/uploads/1/3/0/7/130739624/9958661.pdfIn PDF document text
  • http://manoxos.btmpostech.com/uploads/1/3/0/7/130738748/zezepoxojapafe.pdfIn PDF document text
  • http://jovaper.unad.agency/uploads/1/3/0/9/130969352/jozito-wabenuk-wurojukusebo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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