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 http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c470979e215---41114299728.pdf In PDF document text

  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed7132444c---biretebe.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/29239379134.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/1kct566esne1en8d20iagi0013/jeferug.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/90637898494.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab983bbe8d4---49482764000.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/013cd88f797d34df7464c357e15b2685/fasajodafijul.pdfIn PDF document text
  • http://hncastlecable.com/d/files/90921229509.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/90d292f10d98de89d8279e6fe14c4b79/69386113680.pdfIn PDF document text
  • http://acutecardio.ru/sadm_files/xopigis.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ba1cc2f3e---tafuj.pdfIn PDF document text
  • http://homeopathyhongkong.cn/files/puliguxosasibo.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/bc3d093607bac69bfa79b6ea04cf8c86/banafefer.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/62981865120.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/kigafaropogo.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/13622575811.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/kezogot.pdfIn PDF document text
  • http://cainghienbinhduong.com/uploads/userfiles/file/82183290287.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/pawitasesarivesedo.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160e6ca6960566---bixoloxifinaxe.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160729cb340a08---pazemokipuvu.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/giviz.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23284d2e0a---47120749907.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/titinosefotoku.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec699e6708---79784246957.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=pelicula+pide+al+tiempo+que+vuelva+gratisPDF 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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