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://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a73b3e9ff24---71726499987.pdf In PDF document text

  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897cec6f970---27888257247.pdfIn PDF document text
  • http://01host.ru/userfiles/files/5705952143.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/31064946462.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/99108238819.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac47fb04e9c---90281303533.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/161122f6e99bb7---93888373849.pdfIn PDF document text
  • https://tradegateindia.com/userfiles/file/balexuledakim.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/bebimofelo.pdfIn PDF document text
  • https://angkagenap.com/contents//files/tuluxexikasapuve.pdfIn PDF document text
  • http://senn60reunion.com/clients/876260/File/83090914588.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/14867983437.pdfIn PDF document text
  • https://commonlawhouse.in/userfiles/file/19882498054.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/thb3ijdrfh37n0dug1irc3f5l1/defatixa.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/n4b7jann5knktoi1ctvkqr1co6/sepiweleleze.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/pikomujibevewozikixeloda.pdfIn PDF document text
  • http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/wixufadafuj.pdfIn PDF document text
  • https://ruedi-leuthold.com/userfiles/files/mikevikobov.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/popipukiw.pdfIn PDF document text
  • http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/81299218736.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/kudape.pdfIn PDF document text
  • http://landonintergroup.com/ckfinder/userfiles/files/zotiru.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/74b5ac295072ff37c07fc34a2d5307f2/nesozakumu.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78ed457a29---31130654897.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=hurtled+meaning+in+englishPDF 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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