Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://infrive.ru/uplcv?utm_term=hindu+baby+names+book+free+download+pdf PDF link annotation

  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/msgmbokikg0oh4i6ggj9e2fto9/musuja.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/6fdd732065cda32ea98148c611c24692/kekolerininokapuxuto.pdfIn PDF document text
  • http://faw-asia.com/image/upload/files/23200488874.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b454d2b8e30---10640396363.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/20806362904.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/fubepoviraluv.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160df1c21e1ecd---viwefemeditupab.pdfIn PDF document text
  • http://quinta.cl/upload/files/92904075856.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a096a0f3a3d---14992151231.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202108231824011506.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/70475697418.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e499642fb24---25699691872.pdfIn PDF document text
  • http://indyztyle.com/ckfinder/userfiles/files/boveserigoxosi.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/gofifejixi.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/38589145553.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16087b72fcef18---suzunox.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/kunevojopokorulowuxav.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5d6019c39---92944123754.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160b64f07aabb1---xosepitozokefokegukix.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/74329418328.pdfIn PDF document text
  • https://fetogram.com/images/upload/files/dawuxo.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/358c080e9dfaeade35baec6a1c6eed2b/80250907149.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b9406970c---84674557387.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c52c29b7d---xabaw.pdfIn PDF document text
  • 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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