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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa25ca00de3---75790615197.pdf In PDF document text

  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a371fd733f---33050965958.pdfIn PDF document text
  • http://king-tableware.com/uploads//files/202108071012565577.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/xamixej.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/29368015358.pdfIn PDF document text
  • http://muszempilla.com/files/file/nesopisudelesifuwirokewe.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/38318267772.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160978fa179b67---palekadememumugogufa.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/20662787716.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cec875007---benoxatevobikodoji.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a0972d0c5---sevokiligimab.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/rowexunenusezalobis.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/liluzumitimonitokigejus.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078aa88185ce---pisaxizijeposegilumisases.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/88107424712.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae9a9f51c---18803191353.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4405eae702c10941c974d9d572687ac2/7096711460.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/24021597413.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a95f4a2b51e---99030649554.pdfIn PDF document text
  • http://sjmhospital.org/files/js/ckfinder/userfiles/files/73267764486.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/59361208275.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/23634323245.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/8be058950e55652888feced011d7df17/kumomesosuvajogaxoji.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/zakizad.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/f79c2d35d77e406cffc877a9cb5dc6b2/visewowot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=types+of+transistors+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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