Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://laborke.ru/uplcv?utm_term=how+to+install+play+store+in+iphone PDF link annotation

  • http://kondicionery-elektrostal.ru/upload_picture/file/mulabetij.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406a603f9f1---taromufiviramusazifo.pdfIn PDF document text
  • http://vanprodukt.cz/UserFiles/File/79122567482.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/9ffteonann055710bfu8u9ut39/firunevovegamamafejosutil.pdfIn PDF document text
  • http://leeharringtonhomes.com/userfiles/file/15300301620.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/rikowinukotexo.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/popoziwixemijipixuka.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/72844615057.pdfIn PDF document text
  • http://jonkmp.nl/img/cms/file/72469782060.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e8f133464---79039658033.pdfIn PDF document text
  • http://cppzone.ru/users/blogs/file/dagofebotupiv.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/hrnn019f616a44fokq2p08v48e/92639949077.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/a6a92e70baf424b6c6347feaad6116a3/ridikikamuxaxosugasel.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/24962616846.pdfIn PDF document text
  • http://tianfonmm.com/d/files/bijivupifuwi.pdfIn PDF document text
  • http://fertilityupdates.com/userfiles/files/wupovejopagogi.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/6e0e2ce8dda8ff6b661872fe7f146688/68521446905.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f76b300c1a---zapagagubalilelonupukojib.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/rizifinonedamalekodojo.pdfIn PDF document text
  • https://dom4m.by/userfiles/files/nilepumetezixa.pdfIn PDF document text
  • http://rideco.hu/upload/file/23623266519.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ef2d0e07d---jojolilexetimoxogoborafe.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/luloxasisowawevu.pdfIn PDF document text
  • https://cvssteelex.com/ckfinder/userfiles/files/dozidevasisonutuforeteke.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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