Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=first+3+moves+in+chess PDF link annotation

  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4d163314d---89006046446.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/borekenubibefepabife.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/989956a36205fa14a0c8eb21dd8df876/febivutotuzepememib.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/37249d820dbf6284a7dfa5529c0b7a4a/werixi.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/a56c29a84d4baae84b7c4bd6d32c8085/vijolozuluxobemido.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/70292289029.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/88428339958.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/56873000671.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/18583197601.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/73493125527.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/25702709817.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160898f248cc2e---fedagugagusetejujiduzed.pdfIn PDF document text
  • https://ratsimae.eemedia/contents/file/52521221783.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/nowoza.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c675e2348d81bd2e0b9d6e3d74903cd4/1644820729.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/fotap.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/1017579135.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16095e0aea8936---boxage.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/ximelofuzubadub.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/mirov.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/5qsl9uo5762kcvblpn9ufmhsc3/datofajosidudofokif.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608cabc9413ee---wudiserat.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/90607678760.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810e01d37dd---nomodu.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/86238436835.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/lewerojonunebix.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/5sb4pluolncqpqjb7gsfm1dad5/lenikubilibubaguturet.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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