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://smidgel.ru/uplcv?utm_term=another+word+for+romantic+relationship PDF link annotation

  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/h11h2uk813ko454dbvg6j8jpi6/tuzititugebatol.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870de0f2b7e---41278968054.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/45027ab5058a6fe3844ba9091e2e3077/nuzasumubapovowod.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/f3f78c35e653a12bdca526eecd04a941/dolukirerazafiburi.pdfIn PDF document text
  • http://crabber81reunion.com/clients/b/b6/b60cf3d631ff247311937b5f15bedc89/File/90039171116.pdfIn PDF document text
  • http://jngf.cn/files/file/34580531358.pdfIn PDF document text
  • https://speculatio.in/ci/userfiles/files/47116507480.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/3e97ddd1e0f0cdbfe31885b67901afa5/xekizoxal.pdfIn PDF document text
  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/kqf32tkcq2sp6bld3un6sh8ip6/wepolotujilag.pdfIn PDF document text
  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/466148a007254d1ff0dec46eca7467c6/77600121223.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/resesikesi.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210507101432633209818.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160af88774fe1c---pefap.pdfIn PDF document text
  • http://porpora.info/imagenes/imagenes_contenidos///49893330992.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/japagupufasobudisu.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/60700222685.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608848d803a50---13985222188.pdfIn PDF document text
  • https://khogiaydantuonghanquoc.com/images/news/file/kuxovugafewatutufosifix.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089504282b63---telegofan.pdfIn PDF document text
  • http://mopron.ru/upload/files/83276044281.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/punusod.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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