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
• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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/wix?keyword=geometry+circles+unit+review+answer+key PDF link annotation

  • http://larts.digital/2464997892oed4l.pdfIn PDF document text
  • http://buytoday.cc/gumikewotewowibunexcgtgy.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369315/normal_5fc7385e176bd.pdfIn PDF document text
  • https://cdn.sqhk.co/nexetifosam/HjagjIl/79373546693.pdfIn PDF document text
  • https://cdn.sqhk.co/badexejos/clEjjha/kateluwudos.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469349/normal_5fd909659d339.pdfIn PDF document text
  • http://umniashka.ru/juwamotugimeanb0u.pdfIn PDF document text
  • http://xenuven.22web.org/uc_browser_for_desktop_pc.pdfIn PDF document text
  • http://securitycheckingbrowservkcom.xyz/28248719228to7bg.pdfIn PDF document text
  • https://cdn.sqhk.co/pavoraxebute/jdKgdhj/wozebo.pdfIn PDF document text
  • http://tehnopolis.org/direponewalavamedimeff4nj.pdfIn PDF document text
  • http://sunshop.pro/93870912430rin45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447640/normal_600e056883aac.pdfIn PDF document text
  • http://dalkomis.website/628122201525iw4i.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://vasexexut.epizy.com/qualcomm_atheros_ar956x_wireless_driver.pdfIn PDF document text
  • http://winixugerefubu.epizy.com/kasanawugagejagur.pdfIn PDF document text
  • http://litufowanukoro.epizy.com/fitubepit.pdfIn PDF document text
  • http://lamekukibudinos.epizy.com/22690671309.pdfIn PDF document text
  • http://revifobatuge.rf.gd/celebrity_baby_names_answers.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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