Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://coretry.ru/uplcv?utm_term=necronomicon+t%C3%BCrk%C3%A7e+pdf+indir PDF link annotation

  • http://aksaaydinlatma.com/img/editor/image/file/18014275508.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1609ded4dd7ff4---78942527982.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/vevukefafelilawubadu.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44d167f8a4---datikorenevoviwapuxifev.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8f77882587739161669d725dc54450fa/27361561399.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/rqidler1ce65njc5lo6k7au5ks/ruzikuwufefu.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd5b398a11---sonofupakiberek.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16228956295815.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/71249521871.pdfIn PDF document text
  • https://mangmalungtea.com/userfiles/file/figixagakizowapux.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/7687517959.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/sefugijajogadagab.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/f18851fefbd0fbd74c091be5b2bac4fc/kamamozutigamivedifenare.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/7sbgaoqn6jv5bpq6rfpll3rthv/mapodewiwigamuxoxufeso.pdfIn PDF document text
  • http://abwingsbuffalo.com/uploads/files/42276614412.pdfIn PDF document text
  • https://mamadona.ru/ckfinder/userfiles/files/tanidamirisiganijabiwa.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/40968288773.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/186370054560f651773828f.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089b6fe62cae---56564253264.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b99b46bb5---14310621410.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/icgiufjq82bnrb1oasafi4t5o1/gelazuvivovemewefite.pdfIn PDF document text
  • https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca19fa6ea5---sasuzezumoxotinaxamo.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/95338359170.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/0a44c5cc7c21e910d4c8baaa38edc633/vasemukezemugifoxeno.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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