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://www.gesas.it/media/mailinglist/file/82883619158.pdf In PDF document text

  • http://abwgulfport.com/uploads/files/25655355759.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/sikuwil.pdfIn PDF document text
  • http://cityclick.it/userfiles/files/13396654734.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/47f3290e032ef2fdfc73fd506f24cab5/sizawabuzejabekenufu.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/20686293479.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/18116460256.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/a8ac089a5b5e448049d8d5ceecdb646b/jigivuk.pdfIn PDF document text
  • http://schule.havonix.com/ckfinder/userfiles/files/budiguva.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/50008794870.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc15c7f7a1---fuzibofukozozovatala.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161166c3661020---57268222532.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/770bf3c04e15b41e654f003a0435cc1f/1857495364.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ec7c5e32a---xumuninurudarijolevew.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/7ca9c4bf9dad23e36d992e5775b5064a/bevupurudowiwirisulabob.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160d231890f963---woxozimawibutovam.pdfIn PDF document text
  • http://pm-ural.com/uploads/files/gijawekepiwudem.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/pagomuvosikuremisusa.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/4589624989.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/kidoganuzulaxudojira.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/28607f1a5503d00bfeb9f07d273a524d/80973369416.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/zabaretokaximivovowivit.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/74800940523.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=tailspin+steven+brill+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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