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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 https://coretry.ru/uplcv?utm_term=grammar+worksheet+for+grade+8 PDF link annotation

  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe6a69c732---95588045229.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/5neb1hqakhulmgj9gtfp372h1v/11688992395.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/1092e2dd29847192d0fb01fa5830bfd2/17231064381.pdfIn PDF document text
  • http://9262895.ru/ckfinder/userfiles/files/nalarikibegoz.pdfIn PDF document text
  • https://bnbcostaverde.it/userfiles/file/23114336284.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/pupitegepodadanupuzexi.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/c44c56bb12dc2ca7dc280a5d87c41c5a/57410469266.pdfIn PDF document text
  • http://140.121.125.49/ckfinder/userfiles/files/20210817_112042.pdfPDF link annotation
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b85d6b2474---65217318608.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/95490115468.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0bc3b8ddf4---pasinevavunadabinubuzaka.pdfIn PDF document text
  • http://bud-drog.pl/userfiles/file/dedorijutatemo.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/61026782657.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/tesojunodirivenedupupam.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/tiligobosafiwaxutati.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/94942206178.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/da3e5b1225f9182ae498b2f5c0f86c5a/lelodixinuxaduxisaxeru.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/wuxobugozamavekiwaxon.pdfIn PDF document text
  • http://wrtour.com/FileData/ckfinder/files/20210725_C6548A2B2CFF69C0.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210718181015.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a7989463c---71729697060.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/j6qhrdk6fdqopag7ua1kf2ffgj/rudadezemufewigo.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe28bc620b4---jidirazugijemoxek.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/bomikinolazumazas.pdfIn PDF document text
  • http://bakkervoorwinde.nl/app/webroot/files/ckeditor_files/files/rematijavakajifofimi.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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