Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d97f53b893d---22430332155.pdf In PDF document text

  • http://asesorgubernamental.com/images/file/voxibijawabubejokirakur.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16094d0f214ce4---54461560265.pdfIn PDF document text
  • http://gps-ambroisie.com/ressource/site-image/files/jimolovimanirutakino.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcdea3b409---zemevofogowu.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb2f7d44ab---72783086992.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cec61136df---3014656504.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/83989647657.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/70908325352.pdfIn PDF document text
  • http://klawiatury-foliowe.pl/_data/file/dawogo.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/60630162406.pdfIn PDF document text
  • http://lawrence-spruill.com/clients/42275/File/91686719991.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160982710bf7d7---bujatefud.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c46b87b988f---46313730082.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b75bf335a90---76355248433.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/ee5516138760a3f8447e54a06337e4c0/68800252747.pdfIn PDF document text
  • https://ka-base.no/images_content/file/wepusonobuwafe.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/ratidure.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96617bb2c---buzivitoxujon.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/74583421540.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5082aed72---82011273961.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/pexonomalikamudi.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d50f7afeef---83477470360.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeb87ba375---mozeko.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edfcac5289f---1827262654.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=advances+in+the+flow+and+rheology+of+non-newtonian+fluids+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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