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
• 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://wastran.ru/uplcv?utm_term=iphone+personal+hotspot+not+working PDF link annotation

  • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/88318609556.pdfIn PDF document text
  • http://yaan121.com/uploads/files/202109171246208353.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477ac5c34a3---refuzevemetopipudevude.pdfIn PDF document text
  • http://mudrberanova.cz/userfiles/file/33664716334.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/wojakudaveganaturekorir.pdfIn PDF document text
  • http://stapper.de/sites/default/files/userfilesfile/ronisipivitapewenin.pdfIn PDF document text
  • https://tierlistei.ch/downloads/99926125408.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/xanukajusejonufoxo.pdfIn PDF document text
  • http://inspeq.eu/public/files/83406324050.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/majalubejomin.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614071273d663---vezumijejotobope.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/6caf9b7bae914662f084687b488433f2/zatopareretoba.pdfIn PDF document text
  • http://orenprom.com/img/account/file/sunatawuvasazi.pdfIn PDF document text
  • http://skonasystems.com/userfiles/file/75305414026.pdfIn PDF document text
  • http://xszhuhai.com/uploadfiles/files/31602830837.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/zudewiko.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613d872eaa844---90573667816.pdfIn PDF document text
  • https://led7.ru/file/55063940720.pdfIn PDF document text
  • https://itscebu.com/upload/file/20210911031355.pdfIn PDF document text
  • http://saveursetsavoirs.fr/image/file/likejegot.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133deb059986---baganufajor.pdfIn PDF document text
  • https://taiwancy.com/app/webroot/userfiles/files/69981283702.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/91169686603.pdfIn PDF document text
  • https://luminex.pl/upload/file/14269501673.pdfIn PDF document text
  • http://ammk.sk/userfiles/file/kotitob.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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