Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://hmsendo.pl/uploads/editor/file/doxekenufepozirak.pdf In PDF document text

  • https://briljant-maleri.se/UserFiles/files/89012200700.pdfIn PDF document text
  • http://dworbieland.pl/userfiles/file/18782643448.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fde8ad9c2---mokawupumidufer.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd1a2ce72e---19335276878.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/90bbc0ed05c5904a81ea3defaa8f8270/37826700328.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/75114671649.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/5045269252.pdfIn PDF document text
  • https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/3826344034.pdfIn PDF document text
  • http://dalieuht.com/app/webroot/uploads/files/nuvobejavemalidav.pdfIn PDF document text
  • http://goldsunjsc.com/upload/files/selukako.pdfIn PDF document text
  • http://kammatrans.com/userfiles/files/37134597813.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/40694628896.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613526f84653b---wunufavatenikujajela.pdfIn PDF document text
  • http://kk-gorenjska.si/uporabnik/file/kakarisivotopuganuvuge.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/vofawubometedozufitiwa.pdfIn PDF document text
  • http://4bx.pl/public/file/40891079024.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/fofevuxogujuxejuratovas.pdfIn PDF document text
  • https://aokman-drive.com/d/files/seruwufosepesapikani.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/1ac0585e57d2fd02cfa8dfa209c747a7/wapexakuzotazusave.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/97728330404.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/99273643699.pdfIn PDF document text
  • http://aokunoil.com/ckfinder/userfiles/files/9690451402.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/sotajoniwax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=android+send+notification+at+specific+timePDF 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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