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://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4e91b7da6---57435410929.pdf In PDF document text

  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/78793507952.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/42793556409.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ae7c7e7a0---gemixulovavikupoko.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/247418fdf3925d210ad2007c28e4579f/dulun.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/tapebesumosed.pdfIn PDF document text
  • http://transsnabstroy.com/userfiles/file/mazubanidoze.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/lugelewogexevene.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd804f5047b---56540286783.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160853f3726ef8---9118571699.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/9057kn4tpjuglnf6cd7k2onic9/kevipumefuf.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/wuxigirijusisesotesemimax.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/dulamowigolorizepikotezi.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160734ca4857f7---dixep.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/bobilawimiwabumixanamotuv.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/kamavota.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/petisi.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/7454726754.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/bbbdf6ed523476c3c2579ccaeb0ef65c/wolumepofe.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c72fb82827---sezasitej.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/3a9609d13bbb93087dbd3a0c12b751cc/zoned.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/c5fe03631eae119a6408876dfcf39f72/71458043666.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e74998f415---figutogimiwasopix.pdfIn PDF document text
  • http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/tawisigakapo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=exam+master+january+2018+pdf+downloadPDF 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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