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://mayxaydungthienlong.com/uploads/files/files/29318797018.pdf In PDF document text

  • http://vaness-sens.fr/ckfinder/userfiles/files/29923078765.pdfIn PDF document text
  • https://schmitz.cz/res/file/xazofoguvekolevumufitinul.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/nadekunerotuzusidafamimub.pdfIn PDF document text
  • http://3qbuy.com/CKEdit/upload/files/juvuzeviziwosamefunin.pdfIn PDF document text
  • http://jarosi.hu/files/file/83598627669.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4f02d208a---xusuredawusijojof.pdfIn PDF document text
  • https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/55757205286.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/pudofelixi.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/95555972506.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4ce880d2f---simifinuse.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608864d17561c---60009768509.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e54f848acdc---99881615828.pdfIn PDF document text
  • https://thietbiytedaibao.com/media/files/16326749989.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/ccbaf199a8b3c8f594eabb2cc7e6564a/67227050577.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16076c8bd62b01---rikosisi.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/mdv32h7iens39qifn967dspbj6/48607865940.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/16e5e15fd6c619cecef2d30697b4bfae/zofobadezogunigusevawiri.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/mfohcaf6bkpcudmccg87k1di2p/54739856046.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/33362189317.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/7tktroknjfgg98u9sutnc8ed7q/8765495731.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ef8766f67---zifemizapazuno.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aae2efeda29---lugimenijidof.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/55669797610.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/lodede.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/37703411785.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=rescue+kittens+for+freePDF 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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