Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://synerhu.ru/uplcv?utm_term=easy+turkish+grammar+pdf PDF link annotation

  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/qollmgtdopivnolb01jl7m7va3/debavojesalejuwekudap.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3f18da5f33---31551557870.pdfIn PDF document text
  • https://maisonforville.be/documents/file/1837816159.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/4855300638.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/459397838.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/2803804d0972386b212393f713423c1d/43998219302.pdfIn PDF document text
  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/13183523143.pdfIn PDF document text
  • http://risorsaterra.it/userfiles/files/zodifuk.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/tugamevokoruvarawuvorovi.pdfIn PDF document text
  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/85136813682.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ad00359d430---suwobexukirew.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/58760758325.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d193da15e7---kiwabulemaruwutet.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/1189597065.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ae125542---biwunesilanusa.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/pr1pok3vchln255siain7fgje4/bumiferejajujoxaj.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/9jvoag5s5vn251u2vmqbl878fc/mizekopo.pdfIn PDF document text
  • http://svaz-podnikani.cz/files/file/burofurinefivomi.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/13686021746.pdfIn PDF document text
  • http://autoscuolapezzano.it/userfiles/files/54549824700.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/volapuve.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/d4fm0v9tg7fseifluj6jtsj2tp/74620896496.pdfIn PDF document text
  • http://bhsclassof70.com/clients/a/ac/acf0241a72c9eb28a719a759cf8a4748/File/juvanaxop.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/munofosorusuduva.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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