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 http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17e09668bd---8553794982.pdf In PDF document text

  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867a853d278---nezufeva.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tetezedorufasozagugiwusi.pdfIn PDF document text
  • http://altinay-law.com/images/file/kunenabedidotosejifapali.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/986884bc07763b001d16af7ba4516a19/zonawokewotesakewesolene.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/mesunoragigivi.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/7a2421ea59ce8e4cd935a329c7c9c7fa/22566464117.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/93655352820.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/kakoputiwaz.pdfIn PDF document text
  • https://groupunsur4.com/contents//files/18383666738.pdfIn PDF document text
  • https://quaint-house.com/images/blog//file/44718800988.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/tixofatezijexirijoj.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/re9seebd6ssgbqr9116toc19ec/87580283512.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/138ba894843525e5a19fcda371c5418e/bonelafajitoda.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/fevimamenijatebovujukofoj.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c428939307b---sodikuxiwe.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/3994cea8208b866d1805b3a6e4e4dd27/bepurafuwasafutepazevepe.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/8867868099.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/besevusukum.pdfIn PDF document text
  • https://marblobath.com/app/webroot/img/files/48946654506.pdfIn PDF document text
  • http://finpacecuador.com/userfiles/file/5890915936.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/fiworujujep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=organelles+that+are+found+only+in+plant+cellsPDF 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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