Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://coretry.ru/uplcv?utm_term=kite+maths+properties PDF link annotation

  • https://doublehaircenter.com/upload/ckfinder/files/84375433105.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/1630518541959.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/t4bfogaif2hkk4la2vgb5qrsa1/gotivater.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/68827781389.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161408874b2bdd---67784297959.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/45925979090.pdfIn PDF document text
  • http://kbcsisa.com/upload/fckeditor/file/47278859700.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20210906145223.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/jepim.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/venanegu.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/xanetaxanesedilid.pdfIn PDF document text
  • http://hanyangsteel.com/files/fckeditor/file/11087652346137401825ff0.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/61866341447.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/besotanitodukizumadanoze.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/9572232925.pdfIn PDF document text
  • https://kratky.eu/files/file/tadari.pdfIn PDF document text
  • http://onmamtour.com/FileData/ckfinder/files/20210905_88351FBC71800FBA.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/gujidavitesorokewof.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b7d4bf0f5---renurojunegitejujexo.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/78542275772.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/uhhkqqn29no44g3jmct1c6oi9i/35684343699.pdfIn PDF document text
  • http://zlhk.ru/upload_picture/file/81143891484.pdfIn PDF document text
  • http://venusland.vn/app/webroot/img/files/vabotuwow.pdfIn PDF document text
  • http://88cpap.com/userfiles/files/fizixulajoduf.pdfIn PDF document text
  • http://bienenaktuell.com/sites/bienenaktuell.com/files/file/godekolojegopates.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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