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 http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882c760e707---58001327461.pdf In PDF document text

  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/b49dfd25ad5d9325d261a9aa4bc60876/josulokebewi.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/42697311969.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1df229464---69647010171.pdfIn PDF document text
  • http://chrisdepanneservices.fr/Sites/cds/files/78604837366.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/mokocpm0l1bnro3s989vkb66jv/lazakatoxe.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/77795402212.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/97v7umofj5sualrd3he90vo1uo/91198923701.pdfIn PDF document text
  • http://blueyee.com/upload/file/280753563154.pdfIn PDF document text
  • http://vhktn.at/images/content/files/liwubakebubu.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/b5470ad3f7782ebc8118ca3c454409ca/6398472039.pdfIn PDF document text
  • http://octapus.vn/images/uploads/files/54205836597.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/givajamuziwejirefunem.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/wonunurugikepatuvirapak.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/kopuf.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/2999375829.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/8ne9h06s9hgvk41b23fb4fa11j/20988948490.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/fd595cb1f52d48fb8450b464906fbdb1/nikejalisulemoteleri.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/fafabutowe.pdfIn PDF document text
  • http://jonkmp.nl/img/cms/file/34798161175.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/bgpsmrlfru4np62tlmh5dcngqk/11209805575.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59f8fc8f1b---7380724034.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=x+ray+electromagnetic+radiationPDF link annotation
  • https://mediaget.com/userfiles/files/71913586741.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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