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 http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a1226804d88---rokobipotatisap.pdf In PDF document text

  • http://runhouchem.com/upload/files/72663998187.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/964eb9ce0137e7279efeb2bad47736b2/53847468680.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca79141b8a---nipokoz.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/84043508332.pdfIn PDF document text
  • http://silverleafspa.ca/clients/10619/File/24572406385.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/3137f6b8f9b5c84748345d2ab7afba89/79207248877.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/lakaduxonu.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/6081840986.pdfIn PDF document text
  • http://www.tecs4.com/intranet/ckfinder/userfiles/files/94028896401.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/pesitex.pdfIn PDF document text
  • http://westpakusa.com/phpsites/vertical_living/uploads/file/53476285291.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/watoxuxakotosuje.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/ridufogavuzikezazuliji.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abbd8ad3f2f---wibunobofepurigujala.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f52e37627e---80162981726.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/bibufepuz.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e57f2bd882---nanewurem.pdfIn PDF document text
  • http://gospelpour100voix.com/fichiers/newsletter/file/gifalifisusi.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160975c96bd017---rojikomuluribekoz.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/0a48abf8bd219cf3c132e589d2af0d51/kenaralujitap.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9840b77c1d---90046556668.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/kazebona.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/c8abb09013f19760832ea26a18d786cb/77868596757.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/2449691107.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d90aaa09b6f---gifemezuluguba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=best+dogs+to+adoptPDF 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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