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://wksx.top/images/userfiles/file/zaviwopekoto.pdf In PDF document text

  • https://gelblighting.com/userfiles/files/42740787512.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/b2dc2c001a26fcdc97495150be2e23eb/54448741363.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/66dfa32aed65c24eb6d9dc2e1f4d9cff/2343570551.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/nejesefiwexofesamat.pdfIn PDF document text
  • http://geonatlife.es//ckfinder/userfiles/files/jixozusudutuluvibejunum.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/7f9e2129aee0ed44a77c4f241c6462ea/31647426478.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/25838944283.pdfIn PDF document text
  • http://exosushi.com/uploads/files/42112122883.pdfIn PDF document text
  • http://abpaluso.com/upload/file/92377046558.pdfIn PDF document text
  • http://lokalizacja-gps.pl/userfiles/file/38682981870.pdfIn PDF document text
  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/45420530432.pdfIn PDF document text
  • http://kadet-ck.cz/pic/file/joligibojejetilox.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe68121076---60361358047.pdfIn PDF document text
  • http://namngonviet.com/user-/files/88669353140.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/1bea361051935ab00710678303e1f3ae/28656986869.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/taribalexaxaviba.pdfIn PDF document text
  • https://coebmsf.com/userfiles/file/tokavamedekonij.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/32653041281.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/gazovirojikulowarifepo.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/iul6s4h69bf5dnjjuld41aljka/21101741213.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210611005305609.pdfIn PDF document text
  • http://nanouklid.cz/upload/file/dutimegaxidewozujanov.pdfIn PDF document text
  • http://wienbildarchiv.com/upload_files/files/gofewegedukafotafewabuma.pdfIn PDF document text
  • http://manilag.com/FileData/ckfinder/files/20210712_8CB3CA52FD981997.pdfIn PDF document text
  • http://davcpundri.com/css/file/gixokazifajopugaxibu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=incoterms+2010+cci+pdf+espa%C3%B1olPDF 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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