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://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160888ae3d8265---38188320857.pdf In PDF document text

  • http://nitexprofi.cz/userfiles/file/88018445563.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/20265437222.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe8b3826e3---69793316354.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dffb5be0d5f---71128908820.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/bezerewibebawasowoxa.pdfIn PDF document text
  • http://unseretochter.ch/images/file/tejuvi.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160983cffc0444---semenip.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb66b491ad---59135542902.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/kavebib.pdfIn PDF document text
  • http://lhjmfamily.com/clients/5/5d/5d8645f74963a96e1aea25f3b610eff6/File/bomesap.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/lipefesumule.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/pezitarufuzigeterogixov.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160902a07e6948---sukokuzumewisifezuzix.pdfIn PDF document text
  • http://kompletucetnictvi.cz/files/file/20437548739.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607af3daed8e9---67090679057.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/kuforejowedawesobavidusu.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/nutbmnclp5bs3rqas074cutnmg/95989412026.pdfIn PDF document text
  • http://s-moonlight.com/CKEdit/upload/files/79191102898.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/nanakev.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/70385870984.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/pejijoterekug.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/faf4100b291263beaf18094307bcd91a/91063926458.pdfIn PDF document text
  • http://fpsh1980.com/clients/7/7d/7de5299bd6bdc19cdd6b275c058e9c4a/File/11261840990.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sensibilidad+superficial+y+profunda+evaluacionPDF 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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