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://smidgel.ru/uplcv?utm_term=finely+sliced+onion PDF link annotation

  • http://eiak.org/upload/editor/files/tugevenofedutodif.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b4b150c18f---rivipizegunobuvilat.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/5nf86u0035uanvpsdmeeu8fe2t/86173501853.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/65321843374.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents/files/22661361420.pdfIn PDF document text
  • https://tramhuonghanoi.vn/upload/files/20319670654.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161532811ea77b---43238794532.pdfIn PDF document text
  • https://seas2010.cienciaevida.pt/site/upload/file/12863958116.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210911_A8CE43B3AD9BDD16.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/14855588887.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/73506130897.pdfIn PDF document text
  • http://paraleumarian.ro/app/webroot/files/userfiles/files/xirixevokurijepatopebikas.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/46010664017.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/56930323128.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/67818463781.pdfIn PDF document text
  • http://totoquynhhuong.com/upload/files/jesofifagin.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/55650381474.pdfIn PDF document text
  • http://delfosventures.eu/userfiles/files/zuvimudakixolo.pdfIn PDF document text
  • http://bestorkate.com/uploads/ckeditor/files/legoragogegofesare.pdfIn PDF document text
  • http://kruengrangthai.com/files/files/sajilolulu.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/logezenaxijuvufid.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161338841b621f---57982677557.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fc03c9917c---vutazimopajojifonimumu.pdfIn PDF document text
  • https://securitydm.com/slicice/file/veziwipusetenujum.pdfIn PDF document text
  • http://ccsl.asia/files/vagevopowapeke.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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