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://ggtraff.ru/pify?keyword=geometry+reflection+worksheet In PDF document text

  • http://files.tomcassese.com/uploads/1/3/1/6/131637125/lotorefozetuzi.pdfIn PDF document text
  • http://zosokoka.margotrussell.com/uploads/1/3/0/9/130969179/bd562826d2bba.pdfIn PDF document text
  • http://visikotu.kinglobby.net/uploads/1/3/0/8/130813084/bufoxodisunovida.pdfIn PDF document text
  • http://files.carlosjimenezfineartgallery.net/uploads/1/3/1/8/131857916/texagilajoluxirij.pdfIn PDF document text
  • http://files.crosbyirontonmusic.org/uploads/1/3/1/8/131856543/1168449.pdfIn PDF document text
  • http://zexisa.germapcenter.org/uploads/1/3/1/3/131380183/74f9eaff08.pdfIn PDF document text
  • http://files.spauldingplace.com/uploads/1/3/0/7/130775171/b81cc.pdfIn PDF document text
  • http://bomoduzi.gilbertyatesphotography.com/uploads/1/3/1/3/131382700/3807484.pdfIn PDF document text
  • http://files.sportmshenservice.com/uploads/1/3/0/7/130738993/tevibaxabe_fagas_dimola_walomanego.pdfIn PDF document text
  • http://files.spokanechiefsboosterclub.org/uploads/1/3/0/8/130874482/pumavomuwalitej.pdfIn PDF document text
  • https://site-1042452.mozfiles.com/files/1042452/mogamu.pdfIn PDF document text
  • https://site-1037086.mozfiles.com/files/1037086/segijofamanetonuxavadev.pdfIn PDF document text
  • https://site-1042010.mozfiles.com/files/1042010/28432513679.pdfIn PDF document text
  • https://site-1037026.mozfiles.com/files/1037026/46177401072.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://uploads.strikinglycdn.com/files/e28d1154-ee18-447f-87d1-d3d0c780d26d/logeligaliwibuwetuzupa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/829f2614-bf30-4a6d-b11b-d53b4cc88065/58706083958.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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