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 https://medvor.ru/uplcv?utm_term=davinci+resolve+for+android PDF link annotation

  • http://barbusci.it/maisUserFile/file/27927929381.pdfIn PDF document text
  • http://stroyvodservice.ru/upload/File/jafibivekubovikegose.pdfIn PDF document text
  • http://platcometals.com/images/file/6651682952.pdfIn PDF document text
  • http://nagyberki.hu/sites/default/files/fck_uploads/file/biberapopepafo.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/0c420ddeca5646eee3ed8a8059cb42e5/36130596912.pdfIn PDF document text
  • http://studioschicchi.eu/userfiles/files/35990156557.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385ca52c563---25527993658.pdfIn PDF document text
  • http://myphamasia.net/upload/files/femomixuxuzarofitodit.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/24180123390.pdfIn PDF document text
  • http://camberwelltaxi.com/survey/userfiles/files/xakojedukagesojagelajaz.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/60381649756.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/860d8eaef2d6c1db7e80bc461eefb58d/wepalumubebaxetej.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/37387632989.pdfIn PDF document text
  • https://www.savininkai.lt/ckfinder/userfiles/files/24881112977.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/gawuwada.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/gerabuf.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/10181466083.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130601daf00f---malulofabetidejok.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/91181638343.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/39990827312.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613380b5c39f7---fowizipivizumenilavunu.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/67014791980.pdfIn PDF document text
  • http://resurrection-life.net/userfiles/files/75442850889.pdfIn PDF document text
  • http://nanobubblevietnam.com/uploads/userfiles/file/89148899571.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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