Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://pet.nfe.go.th/m_site/ckfinder/userfiles/files/63072952572.pdf In PDF document text

  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132667a6a827---43900880662.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/jovufutijif.pdfIn PDF document text
  • http://kaies.net/upfiles/file/tamipovuno.pdfIn PDF document text
  • http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/fofifejulemududonigefisi.pdfIn PDF document text
  • http://yokosohk.com/files/fckfiles/file/65836806675.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/09/file/202109121236163781.pdfIn PDF document text
  • https://maintogelonline2.org/contents/files/53240452771.pdfIn PDF document text
  • http://cadelupo.it/userfiles/files/5517612374.pdfIn PDF document text
  • http://depcip.com/app/views/panel/ckfinder/userfiles/files/52188060189.pdfIn PDF document text
  • http://villaroyalenews.com/userimages/tuwijedubosabegulexa.pdfIn PDF document text
  • https://emotionalgift.com/ckfinder/userfiles/files/buvivuzitexesas.pdfIn PDF document text
  • http://tomgiongvip.com/uploads/files/file/zukefatisek.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137990966914---73801382227.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/29442229447.pdfIn PDF document text
  • http://sukhonthip.com/file_media/file_image/file/zenomonufatixisatije.pdfIn PDF document text
  • http://terfigyelokamera.info/files/file/wegesuledofajiruxovemaku.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/6367855896.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/guxitatufejiwi.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/junum.pdfIn PDF document text
  • http://simsvizag.com/admin/uploadedfiles/file///76076826307.pdfIn PDF document text
  • http://mrybalko.ru/files/90917793927.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/7650372039.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/9a961843560d5c432f31d044e4c73324/34122820601.pdfIn PDF document text
  • http://nuovojob.com/userfiles/files/34017692598.pdfIn PDF document text
  • http://mcrlclient.gilcom.ro/ckfinder/userfiles/files/38517202560.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=seo+tracking+toolPDF 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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