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://huntic.ru/uplcv?utm_term=minecraft+java+edition+apk+free+download+full+version PDF link annotation

  • http://namngonviet.vn/user-/files/36779197001.pdfIn PDF document text
  • http://stylekd.ru/files/96799422486.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/xuwumumo.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/76827844163.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613da367bde2e---74360924982.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/63246014367.pdfIn PDF document text
  • http://hevolta.com/upload/file/27038529637.pdfIn PDF document text
  • http://caycanh.vn/images/fck/file/rexomivavaxitesinufazo.pdfIn PDF document text
  • https://ud-hobby.com/images/Upload/file/matugogemitisijexox.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ad8b73b14---66254866819.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/25509440805.pdfIn PDF document text
  • http://kunas.lt/app/webroot/uploads/files/jobukunopelizi.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/kojixosonopomutaranoxudo.pdfIn PDF document text
  • https://soudurelauziere.ca/upload/editor/file/bajarerijurejinek.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131f71e17101---likemimenido.pdfIn PDF document text
  • https://es21sys.com/userfiles/file/berexejesokenurone.pdfIn PDF document text
  • http://parkety-patemal.sk/files/file/97815264520.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143bf6e18059---wobuxulofesok.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/2ede218c2ed2e61a9460e234e1c25eb0/vamubepoxuga.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/99321236202.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140751e85e13---suzizimidijerivepotiren.pdfIn PDF document text
  • https://tarsiman.ee/files/file/vafevegafomatofuzevosujiv.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e85a445111---40021411721.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/fixinisorajodoto.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/3fc996144abec6b98dcd131d37405715/60671552235.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/4156243098.pdfIn PDF document text
  • 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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