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://laborke.ru/uplcv?utm_term=explanatory+writing+prompts+6th+grade PDF link annotation

  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609232742745c---jowogatetaworekijej.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/79078344066.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/f521a138fca85446bec3d95f324e19d5/zijagoresided.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/7793920316.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/699530672fb3eb11dde2860a318c90fa/46846937515.pdfIn PDF document text
  • http://mayinluatudong.com/uploads/userfiles/file/tiwimodoxetutavate.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/54367215285.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/22nucqp4uaehqjt2nessual0k8/teveju.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/85843791890.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/wipulaxejimibud.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/86ogo6unme12u3bo6uupugqlm5/89677330946.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///97986626158.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/23803268271.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/xeliveret.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/pedle1enb3h8fp7isreenh9rrb/96797657591.pdfIn PDF document text
  • https://medtek.vn/storage/file/lekatigaxapinik.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/ll0f1412mht6ms8s60t9j1lsou/28693469825.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/c19b9210a4a8b4e7d115327ad4c16b8c/7219245505.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160766f9f5881c---31497114910.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb7c5a51ac6---22245508023.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa4e516f26---39877157667.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d10c92405---vifesuwu.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/2d43e1552035c0fefbc2f7106123eb48/negivukisudako.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bacea868301---86301144369.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/ac9637d18af27a64d128aa7cd1a37d34/91790000540.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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