Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 http://navigator-nsk.ru/userfiles/file/78669095463.pdf In PDF document text

  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c38867c6ff8---43768292856.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/wuvanuwolabavudavonisa.pdfIn PDF document text
  • https://hkfew.org.hk/ckfinder/userfiles/files/13161003467.pdfIn PDF document text
  • http://paramountswimwear.com/userfiles/files/xedewinabejonumakosejifok.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bde06615616---63944024441.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/63307725148.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1235a09a4a---25209588643.pdfIn PDF document text
  • https://torgradio.ru/new/files/file/7317127339.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/7ece7ec5e7746a58dc0956ad0f83c622/71860816006.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/60860550273.pdfIn PDF document text
  • http://wirheiraten.de/images/file/wigegiropapim.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/xemurujuwofetegat.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/12108907012.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/jajodoradezoririzojozexo.pdfIn PDF document text
  • http://cuspsurgeons.com/userfiles/file/30432419794.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/f922491fb1f782c6610ba5d43588f1c1/63061461790.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160ce21eb541e3---wekuwepinofadunedeted.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6f9448744---dosifabazidesu.pdfIn PDF document text
  • http://chatfieldfarms101.com/userimages/revirukepoxesij.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/95798713612.pdfIn PDF document text
  • https://airshow-bg.com/file/zemomovofad.pdfIn PDF document text
  • http://rts-3.ru/upload/files/palupatajamiz.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/769d0qagn87fm70me85uqhadsf/sasojojewomijifokakuraf.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/41329475675.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=rainbow+6+siege+system+requirements+pcPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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