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.
• 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://archism.ru/uplcv?utm_term=just+drive+simulator+apk PDF link annotation

  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/cf7jgakhi8c1aa7q4c7p6blgc3/52772822102.pdfIn PDF document text
  • http://att-na.com/upload/fubip.pdfIn PDF document text
  • http://wanyuantemple.tw/userfiles/file/4413915039.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d0fbd3c18---xanikanom.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/77487929039.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130af96425f9---pigagu.pdfIn PDF document text
  • https://kurishupally.org/userfiles/file/54987150396.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fac8516d5d---relizaput.pdfIn PDF document text
  • http://infosierra.es/images/editor/74779847531.pdfIn PDF document text
  • http://xn--2osv9pt2jfpt.com/uploadfiles/files/zazemofozamitibofimu.pdfIn PDF document text
  • https://fuze-pay.com/ckfinder/userfiles/files/45082082012.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614110854b830---58723808183.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614273fb8a978---81021248390.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/xorasivovuvupelod.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/sukegopaketerowarosijezu.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/33559930773.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/7950154184.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2cce41cfd---diwigikakenawudivalib.pdfIn PDF document text
  • http://phongkhamthienhoa.vn/images/files/90178290478.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/20945672686.pdfIn PDF document text
  • https://vidaleve.ind.br/ckfinder/userfiles/files/zumajavepewizasisox.pdfIn PDF document text
  • https://spcinternational.in/ckfinder/userfiles/files/41141703304.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/vawujifabelapopofojexum.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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