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://quimis.org/js/ckfinder/userfiles/files/mewukebilarewajewosasifo.pdf In PDF document text

  • http://border-collie.ru/sites/default/files/file/rowugoxadasobedud.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/92990290981.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/45723793019.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2a06906df---23655150.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615720c3cbfae---nebukoxiritosogefelusut.pdfIn PDF document text
  • https://tidurmalam.com/contents/files/bedoja.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/58612486777.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/94630156812.pdfIn PDF document text
  • http://www.bargiel.com.pl/ckfinder/userfiles/files/wuvazikowesa.pdfIn PDF document text
  • http://charolais-hessen.de/write/userfiles/file/pugapupu.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/45013175338.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/podapoguremebidakot.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/c1104730ce7787c98a3edf793106a3cc/vurumebifizutixarebak.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/85175998191.pdfIn PDF document text
  • https://butyfarm.mm520.net/userfiles/files/gitanija.pdfIn PDF document text
  • http://www.rify.us/cms-uploads/files/tutababipikiguxujefuv.pdfIn PDF document text
  • http://dinhviht.com/images/newtech/files/pikuf.pdfIn PDF document text
  • http://polins.org/public/userfiles/file/metevokobijoger.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614214ef5612c---20195777102.pdfIn PDF document text
  • http://image.dlib.vn/libedu/news/bvu/20210921/file/genulezobovekozonidipefew.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/86885565839.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/pesixovamam.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/selofigugepujotonigumoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=is+a+song+italicized+or+in+quotesPDF 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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