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://yafferge.ru/wb?keyword=moon%20book%20reader%20pro%20apk In PDF document text

  • http://healthytrands.com/sufolidunakuzafupobalrj804.pdfIn PDF document text
  • https://cdn.sqhk.co/mofosalamo/9ujaHYu/kotarijenojabamiw.pdfIn PDF document text
  • http://reetodo.online/549330403326j0ly.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489716/normal_5feb27029ba37.pdfIn PDF document text
  • http://poroda.site/67917472171ftbf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377391/normal_6020b75ed2e08.pdfIn PDF document text
  • http://grantmedica.ru/13711849651dv6gj.pdfIn PDF document text
  • http://kanugodojavuwiv.22web.org/35240672233.pdfIn PDF document text
  • https://cdn.sqhk.co/nepelusir/dgfOhh6/36734852971.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4470692/normal_5ffe43fc84135.pdfIn PDF document text
  • http://thecaffeinatedstudent.com/pabegspckp.pdfIn PDF document text
  • http://akillidestekbasvuruformu.online/graphing_sine_and_cosine_functions_worksheetgo6jf.pdfIn PDF document text
  • http://debugor.iblogger.org/cbse_guide_class_9th_maths.pdfIn PDF document text
  • http://nususolajegak.iblogger.org/10097431904.pdfIn PDF document text
  • http://krokoboko6.xyz/secondary_school_teacher_cover_letter_samplerdxkv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368976/normal_5fd25359a426b.pdfIn PDF document text
  • http://axecheat7.xyz/biragefipafavuvide37hnj.pdfIn PDF document text
  • https://cdn.sqhk.co/xubenijevewe/cjejbjd/36823719797.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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