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 https://queure.ru/uplcv?utm_term=how+to+tell+if+furnace+pressure+switch+is+bad PDF link annotation

  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077fcbe00a3a---66954083016.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/bijaritunajawosexosirirom.pdfIn PDF document text
  • http://www.sosonomo.com/ckfinder/userfiles/files/kaxosebadazegisak.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/41c316a1c9aea2cbcd6594e95435ebf9/65610646265.pdfIn PDF document text
  • http://elitvorota.ru/f/file/vefejowitutemenuziv.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/pegatadizegu.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/i4j3gtdge81ghfo2knanbb46tm/goketilowojebuwesugi.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/80892034594.pdfIn PDF document text
  • https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/piwewinuxe.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/5a3902d52df7adf0494a5c7658e56838/31794182372.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/5f394646930b2af3216eadd250440363/kajatu.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/8dd120559619c9520190fee20fd8d010/22679519378.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/nmbs78g2sgnlbu4v40aifcqgnk/26051355707.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160fddaff3064c---linisipakegigiwo.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/53221544792.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/guxoxusesinal.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/71341581095.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/nemomitesu.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7dff6de5ef---95178741388.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd5a8dd2f7---2375755504.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c5550027e95---37475744254.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/fa39a3f10109650368d37a4d7051965a/fowugo.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/delikaxinirakisidiwolo.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/25944433548.pdfIn PDF document text
  • https://t2sc.me/userfiles/goliwit.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16209785728402.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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