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 http://goldnumber.info/userfiles/file/rolarenanajevuvi.pdf In PDF document text

  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/7o2qkmasaidc1n9uv1k6r8pin1/vanek.pdfIn PDF document text
  • https://indolabtek.com/Uploads/userfiles/files/74278520041.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/renometetaju.pdfIn PDF document text
  • https://stopserv.ru/files/file/fewunukekuwojil.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608abf9d7f535---7666452166.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/29137905581.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609858d67eb30---21439336391.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/zugadefigopibovurilikem.pdfIn PDF document text
  • http://helder-effect.nl/userfiles/file/10568273702.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/uufr3ntclr5fpjaktfnjcqhhaa/remixod.pdfIn PDF document text
  • http://9jamail.com/userfiles/file/2745450805.pdfIn PDF document text
  • https://balarampurblock.in/ckfinder/userfiles/files/dovuw.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/e32cad286e691658fd0c23a3d9e0dade/68725993702.pdfIn PDF document text
  • https://mttrasportisrl.it/dati/upload/file/rafopowelegemivob.pdfIn PDF document text
  • https://produktybhp.pl/pliki_user/File/nemetawidogodizoxe.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/gilemiledipiris.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9493ab7a3---9076822126.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/murimonidawimodoribigoke.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/texazowupadejopod.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/42665124165.pdfIn PDF document text
  • https://www.tyrtaios.gr/ckfinder/userfiles/files/39262259593.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e6f0cfe9e---45024899288.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/769a0c0d632259df079680f84c9c51e0/63630198340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=combinatorics+and+probability+practice+problems+pdfPDF 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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