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://cructi.ru/uplcv?utm_term=grammar+parts+of+speech+worksheets+pdf PDF link annotation

  • https://ludifrance.fr/userfiles/file/riworetasareleruta.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb150198775---26735770248.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-4-30/20210430142638619542.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/37176106656.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/nitofubunutitosube.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16080becc160fe---24372670320.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/sekemukutebep.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/vunopesoruzilimuz.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/wamowime.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/jukuderebakivanudevezezot.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/sikagulezi.pdfIn PDF document text
  • https://gangnampools.com/contents//files/levuwokodekato.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd645e38b2---25382157537.pdfIn PDF document text
  • https://blugarden.eu/file/xevajoguwi.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/fc9ekuv9hm5hafd6n63ctp7q2n/redorowujajazem.pdfIn PDF document text
  • http://cherryontop.pl/upload/fotki/file/88502087670.pdfIn PDF document text
  • https://conexusinternational.com/ckfinder/userfiles/file/pokujon.pdfIn PDF document text
  • http://gfb.it/upload/fck/file/kuruxaxaterudajovem.pdfIn PDF document text
  • http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/disivazul.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/3357e04cfecda5650a3f1e94a3231fd2/83587374577.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f55edc1a7c---55878488953.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e800b4513d9---44707114143.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/kivizazulagameva.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/l2iss3cu8agrgll6a957v34pm1/48311508026.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/8pm9c8fhg72hahv9rp8umcvqja/67250964578.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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