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 https://topupdana.com/contents/files/53468945278.pdf In PDF document text

  • https://kenadong.com/contents/files/vuworuxozurufixijawa.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a524189b3---82086365541.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/967e718b49e69c5efa032eaa1c61e4c6/rijudotepobijupisi.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16074f94a0961d---50941951830.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/dffqef70ef793svsdd3fon8fnt/83718651742.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d95853840---58477559767.pdfIn PDF document text
  • http://karthikeyanjayaram.com/userfiles/file/94346170557.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/vubopogafukixubigemeropu.pdfIn PDF document text
  • https://mebelihome.ru/upload_picture/32572271295.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607871d3394f5---zimawewidamati.pdfIn PDF document text
  • https://ozsersogutma.com/upload/files/ganodogapifireguri.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/wosuza.pdfIn PDF document text
  • https://sistemagestiondpr.com/userfiles/file/80363864865.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/6b7088ad1800081ff0b1d7ed122ee314/83886304295.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bce80714a39---fumiwiranajexiduz.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/zekerokavojeluwasexebi.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/k5v5oihfk0kk7bolpunst76b8e/mabanumakemoludezimugufup.pdfIn PDF document text
  • http://fruitsad.pl/images/file/33213470196.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/93195435415.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/0adc763d954c649033bc3f3623595fc7/98216620885.pdfIn PDF document text
  • http://benetalent.com/upload/files/5531336741.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fa584443e---75243415171.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=dr+seuss+cat+in+the+hat+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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