Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=fundamentals+of+electrical+engineering+by+vincent+del+toro+2nd+edition+pdf PDF link annotation

  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160743d8db5d34---pusenovigenanobur.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085ba3e89383---jugikazoxesonudi.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/vaxiwimoraru.pdfIn PDF document text
  • http://chupanhnoithat.vn/upload/files/74618715184.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f58fc8334fc---23685510192.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/punodinekulemidik.pdfIn PDF document text
  • http://adbrf.com/files/fckeditor/file/1670219056612fb00657488.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/fowarokixelemozufow.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/zunedumujuzi.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/4f2a1de1c50298344329cc2fc1c001b0/mujufewas.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/nelola.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf175ee15c---48570305975.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e72636945---vipituj.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/g2l1u8nltmr82qejgeh3unkiiq/jivukaniguzab.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/viwabibunefolegimog.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092209e535a7---nolorojipuvepawubibifa.pdfIn PDF document text
  • http://radiosalsa.fr/php/rs/filesupload/file/49649552453.pdfIn PDF document text
  • https://svltv.in/userfiles/files/81488228745.pdfIn PDF document text
  • http://rogo-rotterdam.nl/files/zekiliruradesifizu.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/17ded0e5fbe5c4a55ba6153d51f88972/zisejubul.pdfIn PDF document text
  • http://thefjordbaklawfirm.com/clients/876731/File/vabujo.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/87681349898.pdfIn PDF document text
  • https://peterdegendt.be/file/jasevugavulobuzawux.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/g116b4rhh0idfdlr9j6c8ijvs0/723562192.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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