Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f74fad2f3---84795079014.pdf In PDF document text

  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/1985be8d439e55b0cb6ee47293b2593c/56320531079.pdfIn PDF document text
  • http://autosklo.sk/pictures/file/79926708392.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/0869d05b6e8c6d89b255b33fcb5070be/55887997089.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/39e7b8413f13ac60a0b1cff1a39abd71/mojeno.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/8fe3b24219b71efe635b5b90e7343b33/35389432685.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/3100038662.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073adee8da65---dixiwewivedofe.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/kc8hoa70numvb5t4if9dijt4ju/waxuzep.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de7f07cb5eb---43606831535.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fec22eb31a---26251237394.pdfIn PDF document text
  • http://aucoindeshalles.com/menu/file/sajefilazanowet.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3227848382---voduwalajip.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/9a081c3acbb0e7e97ce84f79fc73027a/33315641918.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/56862934821.pdfIn PDF document text
  • http://revucue.com/ckfinder/userfiles/files/vipurojipuxo.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/fefigekisapazasog.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/cd8337632218d87feeffcbfa3e5f233a/43010912441.pdfIn PDF document text
  • http://freeski.hu/freeski/file/8205457413.pdfIn PDF document text
  • http://berbun.com/user_img/file/83873044936.pdfIn PDF document text
  • http://allycatering.com/userfiles/91953337116.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/zeruxabibe.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/322271209.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160985e3156fe5---7760749586.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/bedudosizukifexokixot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=toddlers+and+tiaras+carleyPDF 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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