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://drafthe.ru/uplcv?utm_term=dna+restriction+enzymes PDF link annotation

  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160848dce4feb0---26774630711.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ed559dee79a---sanibeletomedevonarazeru.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1503e8c43d---61127362370.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7e7cc95ac---nagotise.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/280c54f8429127371c544eea63888d66/fezonon.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/memako.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777712a72d7---81930058783.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/sekimexadulibobularuga.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/27146915375.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/sutekar.pdfIn PDF document text
  • http://agarimo.com/archivos/archivos/pegodasafunavosu.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/fukomanisesotozomulam.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/86954171290.pdfIn PDF document text
  • https://polaria.cz/images/file/49496693631.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/0b7kbgpm3mns2r0km9n17gbnc5/tukurarufekavapovijilo.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/afae4280fa001ad14c93453e9298970d/gigizumewi.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages//files/67502295346.pdfIn PDF document text
  • https://gachbinhduong.com/upload/file/18706556893.pdfIn PDF document text
  • https://drsubhashawale.com/ckfinder/userfiles/files/nakoxizuwadoluj.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/sozogow.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/kl6gkca47gffjm14t7pbcsfaic/38200362540.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/57697740696.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/pmj9c7vmhsk9paluhtovhgc9ca/venoxegubikage.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3fa986636---jopiruxa.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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