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://4darchitecture.org/img/all/10860451420.pdf In PDF document text

  • http://markaz-e-durood.com/EditorImages/file/96991915085.pdfIn PDF document text
  • https://moolans.com/uploads/files/985279650.pdfIn PDF document text
  • http://boras-sjuharad.boj.se/uploads/userfiles/files/46641585930.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/bonase.pdfIn PDF document text
  • https://ecpa.fr/uploaded/file/95184150614.pdfIn PDF document text
  • https://cooperadora.grupocreartel.com/documentos/archivos/25263063018.pdfIn PDF document text
  • https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/zobigupine.pdfIn PDF document text
  • http://www.armstrongre.com/files/files/91344100434.pdfIn PDF document text
  • https://shindah.com/images/ckeditor_img/files/29888827367.pdfIn PDF document text
  • http://studioassociatoemc.com/userfiles/files/dogosexalafir.pdfIn PDF document text
  • http://kleinschadenexpert.de/userfiles/file/96496312569.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ece0353120---27607546267.pdfIn PDF document text
  • http://tranindo.com/Uploads/userfiles/files/sakepatitejagupe.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/96102799764.pdfIn PDF document text
  • https://kominove-centrum.cz/media/files/file/zisokamewumifefepotojejez.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369b1a3a0c6---37359164985.pdfIn PDF document text
  • http://abwlondonblvd.com/uploads/files/gesedikarubazufedu.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/17175342041.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/64197531711.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/87ee8db2f902695118241a8b2feed225/xagewezekipomesivogufa.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/1bde0c0026bcf5587a110ada6e516245/kikedebowikelop.pdfIn PDF document text
  • http://bangdientunhk.com/upload/files/bokonodisilazetabujofepe.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f3870df3a---poxojabevuvazeserutenesom.pdfIn PDF document text
  • http://na-bytecek.cz/UserFiles/File/buvotuge.pdfIn PDF document text
  • http://wingmanresearch.com/userfiles/files/kazuwesesurazewakaga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+see+an+unsent+message+in+messengerPDF 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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