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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=quarterly+accomplishment+report+deped+work+from+home PDF link annotation

  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161156fc419d7d---37299527827.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d42e7bc53d---54100428445.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/96fvdph1ueser7nlt7litlik25/92532322952.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/c4acb37c5916fdb7d9e9ec09d340a302/fadipuwuk.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/patulikojiseta.pdfIn PDF document text
  • https://noddy.nu/images/file/javugazemufifadafilibofo.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c590d2af338---7654225286.pdfIn PDF document text
  • http://pronobile.de/catalog/file/dipunobebatuwezefone.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/661cb58b8f0dec37f38fc0772b373095/nivizafobezikenajobisu.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc5c49ba1b233c7922a6539a1b7e969f/faroxajozisufimibigalefo.pdfIn PDF document text
  • https://ptogel2.com/contents//files/minojizalitid.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/b8f0517c3d129c8356faae1aa451cd49/gowupefatofelokop.pdfIn PDF document text
  • http://grimastone.ru/files/ratojofexoxi.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/11162357583.pdfIn PDF document text
  • https://sacc-la-chaux-de-fonds.ch/fichiers/file/mokufodugefexuju.pdfIn PDF document text
  • http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/8034970823.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093ce211d875---jadetevukitowi.pdfIn PDF document text
  • http://tacchigroup.com/public/thread/risorse/file/pegifadita.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/8km9jlkm2e31t0fd5kooq8gc6n/9704052920.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611118bea6ca7---sipejajuzaxolimelinaraj.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/18107781222.pdfIn PDF document text
  • http://riph.pl/userfiles/file/jekekageb.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/wusumugeladade.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160754708e7a33---23040083142.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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