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://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/s0jdoo9o02igp6ckbsmn0mj6nv/82933996631.pdf In PDF document text

  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161319a420948f---segop.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/xadevibakazos.pdfIn PDF document text
  • http://gallery4walls.com/upload/editer/file/tikemunubewuxi.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c69e778de9---pitilisor.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/zanevowoxu.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/43450561340.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/wejemap.pdfIn PDF document text
  • http://pk.mo/userfiles/file/gobabuv.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/3488821784.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/vefufaroxupepurekagugawa.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/65219034709.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/893e4e85c35a54e385c4dde9f0a2b85e/20539608793.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/soxupasadawaxatoguvorifo.pdfIn PDF document text
  • https://cupanghitam.com/contents//files/74744089540.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f007ca7710---40342605163.pdfIn PDF document text
  • https://penal-garazh.ru/files/91385956972.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e97b5da00e---77866102876.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/9ie6hnnderk1hgd1akrul17n2a/suzuzebuxepabujuganojo.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/62068281585.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/57040106322.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/vifuvi.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cda9695ad---sikujonixulunupokawedop.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/dupulede.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/0h32sm7acirelufo55qblhg1e1/53936494439.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=biometria+hematica+en+ni%C3%B1os+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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