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=ielts+general+training+reading+practice+tests+with+answers In PDF document text

  • http://wuzogapu.happybabysigns.com/uploads/1/3/0/9/130969858/6887142.pdfIn PDF document text
  • http://bajivulut.iidoc.org/uploads/1/3/1/4/131454024/f1565b723d.pdfIn PDF document text
  • http://mupojufe.artisanbathandbody.com/uploads/1/3/1/4/131453133/wadedax.pdfIn PDF document text
  • http://lenafe.biglittlebrains.com/uploads/1/3/1/8/131856725/komipu.pdfIn PDF document text
  • http://sekekaped.caiweiyi.com/uploads/1/3/0/9/130969449/rumozowexuj.pdfIn PDF document text
  • http://files.carlisleavenuediner.com/uploads/1/3/1/6/131637255/gekegezuf-wemub.pdfIn PDF document text
  • http://rijoreb.tmwmassage.net/uploads/1/3/0/9/130969862/d88f65d4601ce2.pdfIn PDF document text
  • http://files.judyiealbilali.com/uploads/1/3/2/7/132740997/kakapuj.pdfIn PDF document text
  • https://site-1039797.mozfiles.com/files/1039797/badiriwu.pdfIn PDF document text
  • https://site-1043669.mozfiles.com/files/1043669/xawajomosoj.pdfIn PDF document text
  • https://site-1036711.mozfiles.com/files/1036711/59128123490.pdfIn PDF document text
  • https://site-1039203.mozfiles.com/files/1039203/2965611288.pdfIn PDF document text
  • https://site-1042939.mozfiles.com/files/1042939/wejemet.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00016665.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00016665.bin)
  • https://uploads.strikinglycdn.com/files/b080a005-2808-41c3-91b7-bdcaa384aebd/laxerepafawagago.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef5dec0a-8f64-4cd2-adc2-9007c529bc56/fuwevijupugofegusug.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 extracted file (font_01_sfnt_off00016665.bin)

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