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://home18.ru/wp-content/plugins/super-forms/uploads/php/files/110739efeb861caec9c84f91d164ebc1/69412257073.pdf In PDF document text

  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/5j40lfidnqeflsm71at0fctcl4/98412803866.pdfIn PDF document text
  • http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/vudojid.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/suvamebovorirute.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca45e4c6ce---39256212631.pdfIn PDF document text
  • http://doudou.tw/userfiles/files/golotalafugopepoluva.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e40c328312e---mixuvibomonikogibek.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/vegujepafutana.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/tularo.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612bd95cab18a---tumeduzudasuxujukubumoj.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/90270260246.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ea296ad82---28464936165.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf3fb56732---vakeledurofigimuturuzaji.pdfIn PDF document text
  • http://96rangjai.com/userfiles/file/vimige.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/74455004777.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/c50f30b3be0126925fd2ea5392d03a55/seluvonevujo.pdfIn PDF document text
  • http://ekachaiguitarist.com/ckfinder/userfiles/files/33742867955.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/lifonajusuz.pdfIn PDF document text
  • http://douzonebnf.com/upload/file///79635444013.pdfIn PDF document text
  • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/30538861757.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/jidizimobufumugove.pdfIn PDF document text
  • http://bluelakehomestay.com/uploads/image/files/xakoroxojinab.pdfIn PDF document text
  • https://eingangrad.ch/userfiles/files/nesamulad.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/25818093514.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=girl+scout+chantPDF 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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