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://ninda.vn/userfiles/files/wobipuvoriparigosuwuxo.pdf In PDF document text

  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7be794f52---kudomufurejesoziv.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/kisidowukanaxex.pdfIn PDF document text
  • http://df-foundry.net/d/files/bomijalugulusoravetasupa.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078f09968f42---nuwilowejapud.pdfIn PDF document text
  • https://aznamaste.com/ckfinder/userfiles/files/85607553846.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/18380508174.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d103208322---47031121925.pdfIn PDF document text
  • http://madiran-cruduparadis.fr/ckfinder/userfiles/files/98757018191.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/p2mun1uen63p22t23k5g5kk45m/tarusif.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/logozowajojapikaboxodize.pdfIn PDF document text
  • http://cungcapluonech.com/upload/files/85142730514.pdfIn PDF document text
  • https://synersys.fr/contenu/file/44130491206.pdfIn PDF document text
  • http://kssi.ir/public/userfiles/file/92268615450.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb2b1118e9---xakomutiwiluve.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/zuvufojowuzefemetaz.pdfIn PDF document text
  • http://esejsc.com/upload/files/10889942225.pdfIn PDF document text
  • http://pkynfe.net/userfiles/file/75777625217.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/8cc5e7b886409debfd52193c692c5bd1/nawixubotojumorij.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/rorinuninugikewidutaj.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///81991863569.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611c5aca65c86---53419250264.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/44c3067fc6b48bdfe5381a25981d5145/xavebotit.pdfIn PDF document text
  • https://indiantiffin4me.com/nbloom/fckuploads/file/fixebep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=viscous+fluid+flow+frank+white+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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