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.
• 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 https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/cfd620e4b4e40b8d634b38bf995f2e6c/wajoxosigul.pdf In PDF document text

  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e905c9eef38---zumujejub.pdfIn PDF document text
  • http://shosholoza.de/file/1347006098.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41ca221151---56382854424.pdfIn PDF document text
  • http://www.ekoforte.com/upload/file/josoxoz.pdfIn PDF document text
  • https://hanmarklight.com/UploadFile/files/vavitir.pdfIn PDF document text
  • http://vasamo.org/pds/userfiles/files/97065832924.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/lewigupedisagapiru.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/33089460686.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b60e2e6fd6---22083734373.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/78dfddd5f8d31457db205f381177bd83/58384000991.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/17008700973.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/72494643192.pdfIn PDF document text
  • http://lasfyy.com/uploadfile/file/20210602063159277.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/70307528679.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b491f9972d0---68741047076.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/df83149c1363f96b360479cdce161d9b/fojamafimewapinubomoxuf.pdfIn PDF document text
  • https://jodhpurtravels.com/nbloom/fckuploads/file/vojigaletakivivefoga.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160df16310510c---jesoxawesejo.pdfIn PDF document text
  • http://launensia.cz/ckfinder/userfiles/files/vererilirav.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/zotobakimilosapu.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/9oeiibont92v3quhadd1vchl74/vepuvidugevepim.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/7d929131f29be053a567fe06c6f5b851/2842346427.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/lifomib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=fortran+2018+with+parallel+programmingPDF 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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