Malicious PDF — malware analysis report

Heuristics 4

• 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 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://cctraff.ru/strik?keyword=atomic+radius+exploration+worksheet+answer+key In PDF document text

  • https://site-1042931.mozfiles.com/files/1042931/defefadaneberebosudisa.pdfIn PDF document text
  • https://site-1038326.mozfiles.com/files/1038326/jatapivilusaxigu.pdfIn PDF document text
  • https://site-1041498.mozfiles.com/files/1041498/pixelimerasezo.pdfIn PDF document text
  • https://site-1036693.mozfiles.com/files/1036693/20941941018.pdfIn PDF document text
  • http://pogelufa.thorsonpto.org/uploads/1/3/0/7/130738914/8359196.pdfIn PDF document text
  • http://files.graciesroom.org/uploads/1/3/0/7/130739779/zovubipez_nagolepujuzukap_zoworosirevek.pdfIn PDF document text
  • http://masagepij.elginhigh.co/uploads/1/3/1/6/131637419/jabujeduw.pdfIn PDF document text
  • http://supefuvab.phillipsandphillipsmusic.com/uploads/1/3/0/8/130813694/jexufasawumakevatane.pdfIn PDF document text
  • http://sikane.parkcampuspto.com/uploads/1/3/1/8/131858530/2376660.pdfIn PDF document text
  • http://paxon.shannahraevocalstudio.com/uploads/1/3/1/1/131164269/b3d5709.pdfIn PDF document text
  • http://files.cartradio.com/uploads/1/3/2/3/132303082/vadoxilagam-remasativo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b02cd44d-4aec-483c-be08-28ff09fc714b/99850713039.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fdb9fd0-8abc-44fd-8bcd-9bae1fba9f42/64213220156.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ba32c14-15ff-450f-b356-ec59409171fa/pugowujozabezu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34647665-cc49-4aac-bdc9-0e8e6545d3a0/83981589267.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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