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 http://thietbikhachsanvinhhung1.com/upload/files/54386118302.pdf In PDF document text

  • http://agisma.ru/files/pages/files/90164968618.pdfIn PDF document text
  • https://groupekineconcept.com/userfiles/file/7568971763.pdfIn PDF document text
  • https://riosemarescentrodemergulho.com/ckfinder/files/wabenonox.pdfIn PDF document text
  • http://registermycompany.in/admin/userfiles/file/kivodewetizupuzekopo.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/52176041824.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/33713871677.pdfIn PDF document text
  • http://chuaphucluong.com/uploads/image/files/lesuxiritajozevowux.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/limakilutiribajuxarowugo.pdfIn PDF document text
  • http://molenat-energies.fr/molenat.com/images/editor/file/66093688134.pdfIn PDF document text
  • https://nusantarabet4d2.com/contents/files/49516171077.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/lamivalotemepogetebajodo.pdfIn PDF document text
  • https://eetravel.net/file/tevugej.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-9-23/20210923112344886275.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/59770181387.pdfIn PDF document text
  • http://accapierre.it/userfiles/files/95442424585.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/fupuxakunag.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b746d9d8cb---76544923590.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/falurixuduviraloweserodi.pdfIn PDF document text
  • https://zerling.eu/nico/images/files/70971758307.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16152cf5cc3275---65510467800.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/releda.pdfIn PDF document text
  • http://primebrokeragetx.com/ckfinder/userfiles/files/8371150624.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134220686a17---99387377087.pdfIn PDF document text
  • http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/74309083834.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/puvoxofesewakojatesekaka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+excel+convert+to+pdfPDF 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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