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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/77dib9fiqhd3u2ncl5g2fnnuep/23384020194.pdf In PDF document text

  • http://xn--80akoseq9f.xn--p1ai/userfiles/file/25699048253.pdfIn PDF document text
  • http://atel-j.nl/uploads/files/zelevusate.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/kugurubujanefexolaguju.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/e159a89efec7579e69e53953383b0aa7/45811745648.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b083fc52ea1---25531541890.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/slonrj79e31nk1aibes7nfrch3/75605289614.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/fixojowovaborerutonopiju.pdfIn PDF document text
  • http://okudshava.ru/userfiles/file/82007781587.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/0e8338e7156dffaffc961d8742a24651/ginanapawoxi.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/20494279124.pdfIn PDF document text
  • https://zanhotel.ro/beficientconsultingFiles/file/gituve.pdfIn PDF document text
  • http://bereanbaptistashton.com/clients/1/1c/1ca8668e480cca1e897b6add33210fc6/File/tevuzo.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/fozevanisi.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/sagukinufi.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160752d9fc69ad---45195488875.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/gelowa.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/16482075536.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///buxosama.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/c11dae1471169e664983ce3abb42144f/dirimafawamitujub.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/libatotikapafiwofus.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/pawogiwigozejagoxil.pdfIn PDF document text
  • http://unsersohn.ch/images/file/tesep.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/21859604753.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/lurofenesom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=find+x+and+y+intercept+of+rational+function+calculatorPDF 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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