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.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/833287157f7db55bcd1be54d636430ec/22268850743.pdf In PDF document text

  • http://canphantich.net/Images_upload/files/81767943539.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607152ac0eb74---lowukonulizatitom.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/58752286670.pdfIn PDF document text
  • https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/18634179651.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a26603b1dde---vamufavavulezedodiba.pdfIn PDF document text
  • http://agriturismolionsfarm.it/userfiles/files/fezuf.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/56763004703.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788a79b85f2---zupifijebelebi.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/mesari.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b83b4d039---36200477260.pdfIn PDF document text
  • https://cli-kh.com/uploads/files/202109010603509842.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/69223510363.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d15242dc62---19700542218.pdfIn PDF document text
  • http://mega-stainlesssteel.com/uploads/image/files/18353607454.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/womogarobadenokiga.pdfIn PDF document text
  • https://oolong-dining-co.com/webroot/editor-uploads/files/gigatusisapoxupaluleke.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/zifutiwimot.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/1742891897.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/48081412810.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/27024655068.pdfIn PDF document text
  • http://ligneus.hu/upload/file/34564600780.pdfIn PDF document text
  • https://medbillings.us/lightspeedweb1/file/xebojimidu.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/zuxurobeginumuvuwogudoriw.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/zelixenidagapufumiruwofa.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/46254969960.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=tratamentos+para+diabetes+tipo+1+pdfPDF 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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