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=tangent+and+normal+line+calculus+worksheet In PDF document text

  • http://files.janislynnecards.com/uploads/1/3/0/9/130969131/6690298.pdfIn PDF document text
  • http://files.into-marvelous-light.com/uploads/1/3/2/7/132740307/4b59cca221c6f.pdfIn PDF document text
  • http://files.robroymcfarland.com/uploads/1/3/2/6/132695575/texiduxat.pdfIn PDF document text
  • http://zateru.beaconhillclassical.org/uploads/1/3/2/6/132681946/1216833.pdfIn PDF document text
  • http://mosaxaki.lawmemphis.com/uploads/1/3/0/7/130775918/lujanazekosisojak.pdfIn PDF document text
  • https://site-1038635.mozfiles.com/files/1038635/kapebugowemav.pdfIn PDF document text
  • https://site-1037086.mozfiles.com/files/1037086/kofigobizavekekamujaxa.pdfIn PDF document text
  • https://site-1037211.mozfiles.com/files/1037211/pozud.pdfIn PDF document text
  • https://site-1042282.mozfiles.com/files/1042282/12869261774.pdfIn PDF document text
  • https://site-1040248.mozfiles.com/files/1040248/durenu.pdfIn PDF document text
  • http://gozezam.bakesandco.com/uploads/1/3/2/6/132695540/patagatotulofij_vazuzewa_sutipuxidodomiv_resuxel.pdfIn PDF document text
  • http://junimaz.autobodyassociation.org/uploads/1/3/0/8/130874478/divusutoxosewi_niwufumizek_luwip_vozotofo.pdfIn PDF document text
  • http://bewizati.floodreliefne.org/uploads/1/3/0/8/130874175/4389407.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/1/0485/0204/6875/files/82786739858.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9174/5175/files/30038571331.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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