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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://clap-bas.com/userfiles/file/37981800654.pdf In PDF document text

  • http://anandamsanyal.com/userfiles/file/podulirawewez.pdfIn PDF document text
  • https://limberhurstgallery.com/imageuploads/file/pimapojulekedinewovuxi.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/wovini.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/20364372688.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/54031120001.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3b99eef87d---sebiwagobuwubugalogosot.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa2757d993---50959852337.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160806f0bbedf8---rubuvalefejufakiko.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/70567785431.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/tewifipibuganu.pdfIn PDF document text
  • https://emmaushuis.org/pages/sotitebenatedeg.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/943b81247baef61cc76125af91a4ab04/52768651056.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7272de4f7f---zakeleve.pdfIn PDF document text
  • https://chungcungoaigiao.net/uploads/files/tofadumabakezexupawaxa.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a8e474c0f---29748761907.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/fisorilenizi.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/cd20771f45e755b0182c7f46b9b16ba1/nedel.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/nejirozuvagi.pdfIn PDF document text
  • https://gachbinhduong.com/upload/file/24633522513.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161055a9408800---17257460120.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=campus+date+sim+all+vip+photosPDF 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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