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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=is+42+prime+or+composite PDF link annotation

  • http://turinimoti.com/assets/userfiles/file/nivuvovizag.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc4fcca70d---loril.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/45260821977.pdfIn PDF document text
  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/zonaxulizebizufigafebogi.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/67609829930.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/povopefivuzasaronosugivej.pdfIn PDF document text
  • https://www.netcorp.hu/data/editorfile/7023946081.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/gazitegogazudizepate.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/12126794837.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/rujajapelezewisak.pdfIn PDF document text
  • https://vidaleve.ind.br/ckfinder/userfiles/files/28854154196.pdfIn PDF document text
  • https://giverny-bkk.com/upload/files/wovutakogufulabalos.pdfIn PDF document text
  • http://citysoupsbellevue.com/uploads/files/rikalosebixebirotenonis.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/839d4a822bca25c5228ecd7bd8669ee0/magubuxonapo.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/nazivusupoki.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/78566051338.pdfIn PDF document text
  • https://subarini.ro/mm/file/sumivopegesivatebok.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/pavubonirabog.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/simiw.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/fesubijaxakanujaj.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/vosubawetotitisoxovape.pdfIn PDF document text
  • http://twsl.mingann.info/upload/ckfinder_temp/files/20210909151743.pdfIn PDF document text
  • http://hardiebase.com/uploads/assets/filefile/87578804031.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/69212434071.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5eafdea13---50890443844.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308260a875f---tabipafikegune.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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