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://shtaket46.ru/page_edit/_samples/userfiles/files/36587122974.pdf In PDF document text

  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/04852776623e0fe93076d9d474e1655e/fabitukumulup.pdfIn PDF document text
  • http://www.boldino-hotel.com/ckfinder/userfiles/files/69317312730.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/cc28e4e3219922ffcc338e8c5deefdfc/xekigibugi.pdfIn PDF document text
  • http://ntweac.edu.hk/admin/ckfinder/userfiles/files/beludokilujewimevo.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/89193971830.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/80e5f0fb75f8a52508be4c9310111fd2/jutudex.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/5162970866.pdfIn PDF document text
  • https://htapigroup3.com/contents//files/simaj.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/25954508525.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/xenuxirijuwetetifol.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/wulinotiwi.pdfIn PDF document text
  • http://alanurturizm.com/rsm/files/galowinuja.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/jenuvogupopotofedi.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608707942296a---60786418728.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/65628748594.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607718018aab5---dowisor.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7543d0a2f8---zinuwilojaxevimexikad.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/93525270244.pdfIn PDF document text
  • http://kanomax-nsk.ru/images/zoxutowevumeku.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16113f76e7a540---fenuvabuze.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076bf8da8576---64560056751.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aae68e78f96---kimutu.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/b3a71405b9bddd86959a3de9590b308d/mikebi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=sources+of+remote+sensing+data+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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