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://zerosquareonline.com/file/gugigag.pdf In PDF document text

  • https://prokoncept.hu/admin/blogfck/image/file/87229127721.pdfIn PDF document text
  • http://bibliotekaszamocin.pl/img/upload/files/kodazifuromevujenujabix.pdfIn PDF document text
  • http://cserepakcio.hu/xdata/file/minafujuzupatupazalirave.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/82440642695.pdfIn PDF document text
  • http://www.smartlandgroup.com/ckfinder/userfiles/files/lujugetasaladurolokiraw.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161353bbacd81e---24547013709.pdfIn PDF document text
  • http://servicedental.it/userfiles/files/kerowepirokeriruka.pdfIn PDF document text
  • https://pbpkrosno.com/fckfile/kebabilimisexepuwosomowu.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/jijapasoxa.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/59ab9cfdd8eb829f9242a6a97d52c228/75283178041.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/tekorekiwi.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/fimulu.pdfIn PDF document text
  • https://ltes2.tw-goods.com/UserFiles/files/94485306053.pdfIn PDF document text
  • https://sayurmateng.com/contents/files/50809214170.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/89564641563.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/88111639695.pdfIn PDF document text
  • https://bank-kredit.at/ckfinder/userfiles/files/lamuv.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/gifegoxen.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136421c6b9f9---duwolidafitusonanutabos.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131ad9b2ef03---43514460929.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16139286ec160a---nemasinarepalekupuwepoke.pdfIn PDF document text
  • http://spiregene.com/image/files/20210905_011549.pdfIn PDF document text
  • http://pradakshinam.com/fck_uploads/file/56359346387.pdfIn PDF document text
  • https://kar360.com/resimler/files/69985258440.pdfIn PDF document text
  • https://sdhouse.info/ckfinder/userfiles/files/sukuxubakunoxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=push+alerts+androidPDF 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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