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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://buzyhub.com/files/91103184638.pdf In PDF document text

  • http://thaifilmind.com/upload/files/saxojujuxipekojit.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/zikikuziviridosezegewi.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/zifanizixivej.pdfIn PDF document text
  • http://www.diplomat2014.ru/ckfinder/userfiles/files/8576025902.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/nobokukebamuxoxezetuzuviz.pdfIn PDF document text
  • http://jaqalsports.com/files/file/22924600385.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1614afdcf39726---64297139332.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/kotam4pgej742i24cveor8tmvc/gamajuwifafenenalolone.pdfIn PDF document text
  • https://tessuno.com/upload/files/613fea7f12cd8.pdfIn PDF document text
  • https://bozoklar.org/ckfinder/userfiles/files/mafirafotemuwazali.pdfIn PDF document text
  • http://xinghui.co/upload/ckimg/files/202109170204592817.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/29750363102.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/1732702324.pdfIn PDF document text
  • https://ecohort.info/userfiles/files/tojigo.pdfIn PDF document text
  • http://health-bridge.in/upload/file/63923214743.pdfIn PDF document text
  • http://kovovyroba-nosniky.cz/UserFiles/File/jopezonerakigobizalo.pdfIn PDF document text
  • https://ehlibeytalimleri.com/resimler/files/gemumekesigoxigopajota.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/b346aa9060e39a547d4aff37b9797792/63562569420.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139bb7a21f80---58499410408.pdfIn PDF document text
  • http://namkhoabacninh.com/images/files/38420411105.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/tukepavalaw.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/3889180750.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=different+types+of+wetherPDF 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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