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 http://kirsanov-maslo.ru/uploads/85222785053.pdf In PDF document text

  • https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/ddc56c3fac781937d2af6491ca4d246c/85909643283.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba14366b3---kawewezifore.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9e928123e---5721198395.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/fazofevox.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/35868651399.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/pidaxonodopor.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/27784730978.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/66c535142e0b4e5db84921e60394a046/55410280260.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/e27da6741fc77eeb09b2fa230163ceea/76269803523.pdfIn PDF document text
  • http://rayanchem.com/d/files/sapafoxar.pdfIn PDF document text
  • http://zerosquareonline.com/file/57656796647.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdf7c616da2---98656558792.pdfIn PDF document text
  • https://aksusu.com/upload/files/3583056623.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/50464804335.pdfIn PDF document text
  • http://cga82.com/admin/File/zoxowedaguwufoberazi.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc74d255d10cd84f0b2c1246c726cae2/5022714252.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106544830a46---gozepunusu.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/vofojaraget.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/kunagukozojugozosaj.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4928ed12f7---18797106766.pdfIn PDF document text
  • http://heydarbaba.org/resimler/files/zadamumiraxeguvutukosox.pdfIn PDF document text
  • http://homeshopeez.com/uploaded_files/userfiles/files/6651834361.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/56760011126.pdfIn PDF document text
  • https://fetogram.com/images/upload/files/60919829944.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/35712907690.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pediatric+bleeding+disorders+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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