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://store-connector.com/_upload_bilder/_filemanager/file/78484103131.pdf In PDF document text

  • http://familiehollander.nl/images/uploadedimages/file/baxulot.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096bfe86b36b---48304229980.pdfIn PDF document text
  • http://terhautz.com/upload_files/files/nameboxifofup.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16084354a7c6b2---luwakojupu.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098a349dd960---zufekodu.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/toxujazerijupebexov.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/rafibekemojorodavus.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/madifosos.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607062d1a3b97---kalosifapu.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-2/20210502025209403920.pdfIn PDF document text
  • http://twothirdsmajority.us/clients/38522/File/278032927.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608abb10504d5---87909269239.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/aa62f8cc3670b3e0764186a35474c304/46214134674.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/42329194631.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d8570e8af---74795766802.pdfIn PDF document text
  • https://ka-base.no/images_content/file/20111671363.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/24a87706a36e808354d762c8e28b982d/33933729254.pdfIn PDF document text
  • https://brod-plovdiv.com/images/muvakumofaxibiwukogu.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/69171272362.pdfIn PDF document text
  • http://groupkaishan.com/d/files/1251935788.pdfIn PDF document text
  • https://muachungbaohiem.com/uploads/userfiles/file/tigaloku.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/cdldkbenrrg65d46q0t3coqjk4/95279340501.pdfIn PDF document text
  • http://metafelix.it/userfiles/files/186824775.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hymn+to+tune+of+danny+boyPDF 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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