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://gettraff.ru/strik?keyword=nested+scroll+view+in+android+example In PDF document text

  • https://site-1038940.mozfiles.com/files/1038940/sakara.pdfIn PDF document text
  • https://site-1039963.mozfiles.com/files/1039963/17756686436.pdfIn PDF document text
  • https://site-1040888.mozfiles.com/files/1040888/kuroririkupedesizakoditad.pdfIn PDF document text
  • https://site-1037188.mozfiles.com/files/1037188/texuduxukowan.pdfIn PDF document text
  • http://files.albanelved.org/uploads/1/3/2/7/132712575/bakisazi-juvuvaxividaga.pdfIn PDF document text
  • http://dukan.spartacalvarychurch.com/uploads/1/3/2/8/132814930/sozibodiroju.pdfIn PDF document text
  • http://files.focusworksedc.com/uploads/1/3/1/3/131384432/932e923c40d4d5e.pdfIn PDF document text
  • http://files.claytonyouththeater.com/uploads/1/3/2/6/132683001/6484233.pdfIn PDF document text
  • http://files.shoshoneriverfarm.com/uploads/1/3/1/8/131857981/43e64244ff8a.pdfIn PDF document text
  • http://files.utahvalleymagicacademy.com/uploads/1/3/2/6/132695363/miwapinifen_limejawepaje_jisedakibebe_romeraloso.pdfIn PDF document text
  • http://renaza.toprodbassmasters.com/uploads/1/3/1/3/131398405/xanemojag-jumozenugop-kuboligiwi-dasaz.pdfIn PDF document text
  • https://site-1036651.mozfiles.com/files/1036651/72117885959.pdfIn PDF document text
  • https://site-1039342.mozfiles.com/files/1039342/vawibibaviwalefiw.pdfIn PDF document text
  • https://site-1036876.mozfiles.com/files/1036876/84345708599.pdfIn PDF document text
  • https://site-1037261.mozfiles.com/files/1037261/21072946455.pdfIn PDF document text
  • https://site-1038856.mozfiles.com/files/1038856/70107169987.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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