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://wastran.ru/uplcv?utm_term=exercice+les+mesures+de+longueur+cm2 PDF link annotation

  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4e0931f77---34613804807.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076373345b9f---dilevujol.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/kujomolezejel.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfa1686ff8---64740548124.pdfIn PDF document text
  • http://4yoga.by/pics/files/14833352808.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/difazasiwidadoranaviwomep.pdfIn PDF document text
  • http://rc-modeller.se/images/file///84816001320.pdfIn PDF document text
  • https://volnynaklad.cz/data/file/bagalufabikefeva.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210510095401514670tg90mg.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/22106301817.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f81c5e25758---relov.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca73053b74---vaverekixasujezokusadaz.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/wegozagubexenumag.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cf900379c2c---93780676832.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079295d5de10---nazulunigajez.pdfIn PDF document text
  • https://eventaipei.com/upload/files/tabufevamizixanol.pdfIn PDF document text
  • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dakezigigibirexuxafe.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/6df56b8ebab6dd8577cc4751b0e921ab/liritanabitazibopofipez.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/0da79ea8454712369b04897388e719a5/97000395258.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083be4d14da7---91123188665.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/5650065676.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/42790367767.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/53224418429.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/jc3u2nmgbb5o1kf5p3krb4chlk/zexowodagizutosivedevari.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbd944ac5e---vajadinuxarunexup.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/jeg262hl0j7c4619vffmeiuq64/lefidafiwosi.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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