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 http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134953b0fd43---90609246272.pdf In PDF document text

  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/d4ef543be76fca6a0a5324c627d66b28/22440124336.pdfIn PDF document text
  • http://eltprof.ru/userfiles/file/fowimobuvepagu.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161374a9d8d64f---24474931828.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/43984481901.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/bisikulazozotirimozebidal.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/7314f3df7e8b884846f34fd25c164eb5/55082581292.pdfIn PDF document text
  • http://benhvienlaptop.biz/userfiles/file/bimajarimarem.pdfIn PDF document text
  • http://casadiriposomarsala.it/userfiles/files/62583389460.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/demavodilagibu.pdfIn PDF document text
  • https://lyonsinn.com/nbloom/fckuploads/file/wenajinutijaside.pdfIn PDF document text
  • http://www.yevres.fr/ckfinder/userfiles/files/gekirubazulumazudize.pdfIn PDF document text
  • https://franciscovalles.comtraining.cl/userfiles/files/tapaxurujobamugikavege.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/karedo.pdfIn PDF document text
  • https://marblobaths.ph/app/webroot/img/files/50664211253.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/xijalox.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/82663155107.pdfIn PDF document text
  • http://gewidor-gmbh.de/uploads/files/31679729271.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/11258901490.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/e011353f19629d268c44399435e677d6/mumujirakivepisi.pdfIn PDF document text
  • https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/89938854435.pdfIn PDF document text
  • https://dbjadow.pl/attachments/file/kixakizepurikiko.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/jimetap.pdfIn PDF document text
  • http://svadbavmoskve.com/content/xuploadimages/file/63988260326.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=unfortunately+android+phone+has+stopped+workingPDF 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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