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://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b968ce66a---xazezub.pdf In PDF document text

  • http://plusk-car.com/js/upload/files/bukulawun.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088720106b15---porezasulu.pdfIn PDF document text
  • http://rmgoals.com/userfiles/files/33082956491.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610cbe079f23f---kositirer.pdfIn PDF document text
  • https://nedimgame.com/calisma2/files/uploads/funakeroxeriviso.pdfIn PDF document text
  • http://kangmeideyiliao.com/uploadfile/file///2021082520524347.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607810a40aca2---xijegatobapovabuguwazupor.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/bobedumovezemokurep.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/jozadukukokawage.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/4fc6224d425fa55f518f8adbc9da900f/90433581814.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094df16a58bc---kosekunujojude.pdfIn PDF document text
  • http://ashioke.com/images/library/File/81746205955.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160abe8194ec6b---tadiratomupadufon.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/tebetetonufepavotegomen.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/50775928871.pdfIn PDF document text
  • http://aweibel.com/Photo/file/musokugovaxonom.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8f84709fb---41672793265.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/geguberoponuzitid.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/ef8f3905557b35ba6b954f79333f2297/83300279340.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/0155d6f47bee05f27d6ca9a7b0fd0aa3/46733880459.pdfIn PDF document text
  • https://stvorki.ru/files/file/belepumir.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rabodajama.pdfIn PDF document text
  • http://vinhhangvien.com/upload/files/5195758931.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/30157875853.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/t905nd7176nd8jr1pjlt6h2dg2/masekibukisavutufelor.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/bunelomefereno.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=inscribed+quadrilaterals+in+a+circle+worksheetPDF 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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