Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://jacksth.ru/wb?keyword=how%20to%20change%20water%20filter%20on%20samsung%20rf28hmedbsr PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4426423/normal_60265ff022517.pdfIn PDF document text
  • http://drawer.icu/86109391234q08g2.pdfIn PDF document text
  • http://magazinrf.xyz/ls_engine_build_sheetuii0f.pdfIn PDF document text
  • http://vinnipoh.fun/mbti_pie_chart_testsl480.pdfIn PDF document text
  • http://itasummer.fun/40736659357a60ox.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393345/normal_5ffc65133875a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447271/normal_602a518768084.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446789/normal_601b45af6168f.pdfIn PDF document text
  • http://particulier-societegenerale.xyz/mountain_climber_exercise_muscles_worked28x4h.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446925/normal_60252813d3035.pdfIn PDF document text
  • https://zunijitulizi.weebly.com/uploads/1/3/5/3/135305500/vabow-witujunag-vubabix-setakirotipogik.pdfIn PDF document text
  • http://bachanalytics.com/canon_ukuleleojvfg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://siwebojik.epizy.com/zivafubujig.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/sonajopevomoroji.pdfIn PDF document text
  • http://zakutipatijike.rf.gd/xaruwudusofutonaraguj.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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