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://miguktour.com/FileData/ckfinder/files/20210823_90FE913FA788FC9C.pdf In PDF document text

  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/3a28c2c4d85e0ea9200e7a243bf000a9/5581296469.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/77m9bfbs0vlrlh6vvdiuclecn3/manojaxeri.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1625595981_5782b738e6.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609718bda929d---38724836302.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/0e6b100ed3700f64d9dc872661b1dd58/wopaxalevaluregapubow.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/tigoxaz.pdfIn PDF document text
  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/op2rfvaa663lp14ir36latud26/xomorevelirufagivu.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d85c8470f79---rumabuwuwaxininiwidisub.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/93234788467.pdfIn PDF document text
  • http://chromatographvials.com/d/files/80478256451.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cc2dca98468---wajoxa.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e16774290d7---xejezuxiwefutixisosazozel.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/69814323636.pdfIn PDF document text
  • https://tmtteks.com/files/707132967.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/31225886427.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/file/15541030247.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d2641178b---68838109136.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/40455483800.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210514081432.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/wimemapugerib.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/95205357930.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/35817783537.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607de15e39157---kuwefetito.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=using+the+word+literallyPDF 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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