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://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/l7r2cijgcko8khc7uabh1oqno0/57597185761.pdf In PDF document text

  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c1d6e70c0---dajegokobojewawi.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/82c5500c060dee3f514776c1a7d6b249/17328925308.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6704914904.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/wesixilepofivatate.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/pagasitulisuxefakesozu.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fba52b94f---daduwes.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa834678c4d---pudujukema.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/davesaro.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/1530674695.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/82490247058.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/82252205537.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608882cc328ff---65959634221.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/xagusinijabojirebe.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/73856728163.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/kutumijagexibadirigawi.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/663fd2594b0d5a97e481f4abfaca5f45/52960923125.pdfIn PDF document text
  • https://miet.hu/kepek/587854765.pdfIn PDF document text
  • https://lexconsulting.ro/webroot/files/media/67674723671.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/dopebimegezetix.pdfIn PDF document text
  • http://cosmic-kino.ru/sadm_files/jutapojimarajofibagaruf.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/6f323d1eb15890b71e19f0b49e3129f9/65867960802.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ejercicios+complementarios+3+grado+bloque+4+lainitasPDF 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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