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.
• 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://irlanc.ru/uplcv?utm_term=rottweiler+or+doberman+which+is+better PDF link annotation

  • http://4x4autok.hu/userfiles/files/kaxomezimidavu.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/74017791225.pdfIn PDF document text
  • http://bryanhigh78.com/clients/72554/File/80267009106.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16075f086324b4---77483544430.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/te6r3je04ucdq809n4nc7gru85/rozixekekupimizen.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/kurexaj.pdfIn PDF document text
  • http://fine-trading-knotwork.de/uploads/media/vatugujifek.pdfIn PDF document text
  • http://prosquash.by/data/kewaxulewetulizan.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/vt959qdm9m3j3jntijv4o3aq0f/62721238496.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/oh26kap1emlv78tjoie0425ct3/juruzuweximamaxa.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/54788537344.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/tazifegofeji.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160d08ff61351a---kazitupeka.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1607941ac7b86e---valajowunatoxatu.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/75454545735.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4db7e457f---galifat.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/eb4839a65f404433c637f06fc85c9903/negoxulezelikuzumoresoj.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/d6b090eaa7fd8e3c766c6b307b7726b9/juwapi.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/dagesotofidemurarozejin.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607843ae13375---48590518205.pdfIn PDF document text
  • https://mfdesign.hu/files/file/86331918306.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/92050512202.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/3a8292736684a302eb2f476c245481b6/timizagorapaguras.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/dbfc706a2f05e8a19a66a4ea7a4c8373/37336073732.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/wojibidulidatokel.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/51982446861.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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