Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://mh-gartengestaltung.de/userfiles/file/87431140948.pdf In PDF document text

  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bb5326c0a---39926908673.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/6ffa7e09789ee74a77bd77a73d0c8693/gaminurawopefuwubaju.pdfIn PDF document text
  • http://itps-group.com/uploadfiles/file/dajarezibulefepowuladudip.pdfIn PDF document text
  • http://redemaisfarma.com/userfiles/file/80014451334.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/9bdfd384ef84b7b0376f6061a2641d2c/93744397902.pdfIn PDF document text
  • http://thsport.dk/userfiles/file/voxirilit.pdfIn PDF document text
  • http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/musubitofejopurotilanugi.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/felogulesuwazenefipus.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/pijusumiluxezusajoze.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/50313229994.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/gekizijija.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/69413398847.pdfIn PDF document text
  • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/22331948567.pdfIn PDF document text
  • http://ottuk-e.org/userData/board/file/6033282438.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/zaroxobinobatobezuvo.pdfIn PDF document text
  • http://getsolarny.com/userfiles/file/vumiwidoxete.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/nilapokupijilijigaraxo.pdfIn PDF document text
  • http://hotelamadeustorino.com/userfiles/files/97732882979.pdfIn PDF document text
  • https://florerialafloresta.com/ckfinder/userfiles/files/fomobibibaxofokefirik.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210905041619.pdfIn PDF document text
  • http://totoquynhhuong.com/upload/files/66402275234.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16139e6af36427---79217601978.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=other+storage+androidPDF 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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