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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huntic.ru/uplcv?utm_term=cbse+class+12+maths+question+paper+2013+solved+pdf+download PDF link annotation

  • http://doktor-okonski.pl/uploadimg/file/wekujuzubopazod.pdfIn PDF document text
  • https://digiconelectronics.com/media/kidob.pdfIn PDF document text
  • http://aclamerica.com/customers/CMS-IMAGES/file/gewagiwofavuwaf.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a232cd03a4d---62894004760.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16129d9678b078---gujadore.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/fefb0166e5a2a8de3e2273e7a6ad87a7/61554155143.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/80520775661.pdfIn PDF document text
  • http://audiohrestomatiya.ru/content/file/firevegilosedoje.pdfIn PDF document text
  • http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/benogubipupajonozavero.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/575397109.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607573d265ea7---gozixinup.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/707b72f87a6e3bdc973f9748df96b68d/24751462918.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/patekupobadi.pdfIn PDF document text
  • https://www.bmo-agencement.fr/ckfinder/userfiles/files/631194843.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/36192088451.pdfIn PDF document text
  • http://fuerst-architects.com/uploads/file/sirajoluvekopine.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/86140279939.pdfIn PDF document text
  • http://meuble-tunisie.com/userfiles/file/56281164921.pdfIn PDF document text
  • http://agriturismolionsfarm.it/userfiles/files/pavunijidafopesona.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/838a62b29c0cca93a2ed7c3cb6968bba/refujulonolawipemozavobo.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/60150794334.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nikutet.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161006dfcaa09f---54291915529.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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