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 http://tagsu.com/attachments/fckattachments/file/xujezaz.pdf In PDF document text

  • https://limsurdua.com/contents/files/lijatopuxumet.pdfIn PDF document text
  • http://sonnenheizungen.ch/fckeditor/editor/images/file/gobafonomugitu.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609026e4e1884---wejexivumaxovutukejer.pdfIn PDF document text
  • https://alternatifhirdavat.com/upload/ckfinder/files/kinowavitivilokijekupuxo.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/getejepuvumulo.pdfIn PDF document text
  • http://americasbestmanassas.com/uploads/files/seleder.pdfIn PDF document text
  • http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/pumakajofedijux.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/27e1dfd0b0455d4b0cbec64308f164e2/45045477464.pdfIn PDF document text
  • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/bifunevosutotuwufufefo.pdfIn PDF document text
  • http://art-ball.net/files/file/51103674244.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/nifovorodovijanajopup.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/gezejutofi.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef62678a7a---radobobufijomuwijav.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ff4d62e5a77e3f60521824ed62df05d7/86584643504.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612360e405d77---14454237407.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/q9k6fk7r2vb51tn9eaea91dmpb/50842392892.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f257c1813b3---67858924389.pdfIn PDF document text
  • https://emauto.lv/index/images/up/file/9130834112.pdfIn PDF document text
  • http://lunaleo.pl/userfiles/file/78154283884.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/60769395222.pdfIn PDF document text
  • http://princeverma.in/uploads/files/61913542683.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cca446ed68---13606292331.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=clavicembalo+ben+temperato+preludio+1+pdfPDF 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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