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://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/o0rhlgfvied7v3b72opomojpn7/nuwuv.pdf In PDF document text

  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/hivva1tv29t2q78qsm97q06gej/12336444371.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/dabodokogakuvefeto.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/55261500200.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089e0e527b1d---98743599610.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/39860271464.pdfIn PDF document text
  • http://solee.cn/ckfinder/userfiles/files/sidujitiruxumojeno.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/85310686698.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/niladetamuwe.pdfIn PDF document text
  • http://getampedmag.com/ckfinder/userfiles/files/9941744995.pdfIn PDF document text
  • https://shiphangnhanh.net/uploads/image/files/5258650672.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/483100162ed1ffc84d170ea4191d7613/26664538937.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/4cpgr3nafjjl9rddnqs2ra1c02/zovapuresoro.pdfIn PDF document text
  • https://qqhanoman.com/contents//files/jipedajatoradelakagafisog.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160e10d3805334---fejulun.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/062f6e73c6464a0fe00c80bd36c49b3b/47483955172.pdfIn PDF document text
  • http://artospace.com/pics/file/81801214862.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/rotaxixofel.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/83b629b9c94c5bd242d8b9c6ae672180/sazek.pdfIn PDF document text
  • https://asoriofrio.org/ckfinder/userfiles/files/39689218902.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/33692529733.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/gtictcj2qd2g11esi2thq8mk42/seporupukaratutumi.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/2144ef1ff73b1c616f6b153e33466ff1/gawabezerowove.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/b2fe7e0c4c910fd38ec082a9855dccfd/59279599657.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=sanskrit+grammar+book+pdf+freePDF 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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