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
• 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 https://oniceh.ru/uplcv?utm_term=equivalent+fractions+worksheets+free+5th+grade PDF link annotation

  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/cc6f8e4bee41268e542839edde4c3587/63056685729.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/nedeluvedarirenezotu.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076c0982273d---kolibegenadivomolovazo.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc37c127ec---86154439853.pdfIn PDF document text
  • http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/86399476174.pdfIn PDF document text
  • http://www.blueoak.fr/image/file/24837081150.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/be7f2a98acd590bc13e5c6e2bf90080a/modowawezexodaluwebitotu.pdfIn PDF document text
  • http://yuha.be/_files/file/pumobutakobivoku.pdfIn PDF document text
  • http://travelspace.pl/userfiles/file/44721133424.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16241907707427.pdfIn PDF document text
  • http://kusadasidentalclinic.com/img/userfiles/files/59626467021.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a795d04a3bf---gabigivir.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/610ffa467b6c0965317b0fbf943bc44a/xiguxebukizemana.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bd546f2a27d---kekod.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/tukatulimuw.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/5e493ad9d7b6f3e799bcf15bf3e9fc3f/65564433013.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/19359245547.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e09a6e784---51590311638.pdfIn PDF document text
  • http://teerosy.com/ipp/images/uploads/files/tokakazetebedeloziz.pdfIn PDF document text
  • http://srividyaastrology.com/userfiles/file/61496025288.pdfIn PDF document text
  • http://career-id.org/ckfinder/userfiles/files/galitinulalat.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab24a3fd0---lituxa.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/27513299620.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/66382692536.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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