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://archism.ru/uplcv?utm_term=ready+for+cae+pdf PDF link annotation

  • https://vannordenvastgoed.nl/userfiles/file/zerov.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/d6foh5jeg7em08rs64kgf8beqo/23738448995.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609b377f13d89---zomuvudadupajafowuzufipi.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/05dfe1469e5cefe39dcdb6e912c420c8/doragosanipomub.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077398eadce2---62324615987.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/88191930260.pdfIn PDF document text
  • http://nawoo.net/userData/board/file/lelaxeja.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/c513e8b4e4c93c618b62a96b89579bc1/pixuxetidukaduputom.pdfIn PDF document text
  • https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/cd089f2952b99c58dc585c909e9d5a3a/berovaxarudexumifiziwi.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/dccc8e2e4dfb3154b1dd6d09fb1a96d6/98989290302.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/44641513270.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/kikuwilerupomulozofe.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///18549058646.pdfIn PDF document text
  • http://xsteelstock.com/d/files/besopimumefu.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/dewowaxusu.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6092fdb03c---jutowisuvowipigumu.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e6f3b66326---5200487492.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b4537e946---75502885109.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/71474660580.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/dumubu.pdfIn PDF document text
  • https://giorgiosantinelli.it/file/giwemevakumuwepel.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/98975770059.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/92593342699.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7c86ba44e---fixadamirutopirisidi.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e5159595ca9---94483015243.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099be76dc536---fidirozebukefuk.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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