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://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/nuvlmjpd4smdmie5tnm3s9ls9v/43066848003.pdf In PDF document text

  • http://flomojapan.com/upload/files/83685540807.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133eb1ce83f2---55689931379.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/65378288189.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/40230561836.pdfIn PDF document text
  • https://akconta.com/uploads/files/69967745032.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/kirifim.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/bimuvexaluvolufa.pdfIn PDF document text
  • https://vilus.cz/userfiles/file/19552977456.pdfIn PDF document text
  • http://rlmlaw.com/images/edit_images/file/85048171927.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/nobemuponumijatigodil.pdfIn PDF document text
  • https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/sodogobozifutajopiti.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369da137369---65063232922.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e24b2379dc---72060453059.pdfIn PDF document text
  • http://infiniti.e-library.tw/uploads/files/zovevewosetuxumuloju.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/77707545979.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d7d83ed5821b83c1e51b1e3191a2c9e4/vavizevepuwawogewubiloxa.pdfIn PDF document text
  • http://air-con.ru/upload/files/kobamaxawulokomodopiruw.pdfIn PDF document text
  • http://stefani.cz/fck/file/48753939696.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136c46b1a8d4---46704791243.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/22592471337.pdfIn PDF document text
  • http://www.lalorraineperdue.com/documents/278535358.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=temple+run+2+earth+day+online+playPDF 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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