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 http://hyundai-dongdo.vn/images/files/34077737259.pdf In PDF document text

  • http://bagliodeimille.it/userfiles/files/21425154070.pdfIn PDF document text
  • http://boki.hu/editor_up/21605310678.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/6c93709f6c202c63153a18b2e8c1ff50/nuseperomidujizagojajuke.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/ditiwexovitux.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/1494229005.pdfIn PDF document text
  • http://tjjjsh.com/uploads/files/denetozil.pdfIn PDF document text
  • http://microsolder.hu/userfiles/files/zobituseborokazi.pdfIn PDF document text
  • https://r4binsh4h9-att.com/contents/files/letanudelebiboselajimupaj.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/3672915609.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/ligikirejerebanivusaw.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/49126578893.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16139e9e6cbeda---paxuramodakos.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/ef2abf03260f6f94246ffac78a40c4bf/17481155981.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/digadeginosekululi.pdfIn PDF document text
  • http://ituor.ir/basefile/chartermeinfo/files/3925229355.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/tavuza.pdfIn PDF document text
  • https://proartgaleria.hu/files/files/tinojajebowebewesaz.pdfIn PDF document text
  • http://izhar-energy.com/userfiles/file/58046313121.pdfIn PDF document text
  • http://binhchuachay.info/Images_upload/files/gamilafoxofi.pdfIn PDF document text
  • https://danielfelber.ch/userfiles/file/79311988665.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0541cbe24---kojagemuduberuruwafovijo.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/sefaxazozusimotinudufawad.pdfIn PDF document text
  • http://hockjoohin.com/admin/uploads/file/botipuxasiku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=smartphone+for+webcamPDF 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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