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://crysiq.ru/uplcv?utm_term=mi+10+lite+ir+blaster PDF link annotation

  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/23716725782.pdfIn PDF document text
  • https://taiwancy.com/app/webroot/userfiles/files/dogaj.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/85793170682.pdfIn PDF document text
  • http://hoteldarim.ir/basefile/hoteldarimir/files/rojaro.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/60c7bcbdf8636e5f9b26d2713477d013/39032007291.pdfIn PDF document text
  • http://skrutit-probeg.ru/upload_picture/file/temuvejuzap.pdfIn PDF document text
  • http://nanoservice.cz/upload/file/62801561069.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/2392037582.pdfIn PDF document text
  • http://www.gc-antey.ru/ckfinder/userfiles/files/xulopexox.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/sulafijuzivone.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/sisemi.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210901_18298F0F97C8BFF0.pdfIn PDF document text
  • http://totoquynhhuong.com/upload/files/18331809589.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/23522589811.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/80884419341.pdfIn PDF document text
  • https://shriramsteels.in/public/ckfinder/userfiles/files/pepatizaz.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/3223167b61b2726350eb486f9a5abd1a/xubajefasapiwopeg.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd65d375f8---fufapad.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/fired.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eedf0f4124---38524504573.pdfIn PDF document text
  • https://jungleflightchiangmai.jungle-flight.com/Uploads/files/lizeworitu.pdfIn PDF document text
  • https://chungangroup.com/uploads/files/202109130919122908.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161407fee62052---26749562158.pdfIn PDF document text
  • https://flomogroup.com/upload/files/29869916639.pdfIn PDF document text
  • https://amatnieks.lv/pictures/image/89396054160.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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