Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://adbrf.com/files/fckeditor/file/1884675056117766655a0b.pdf In PDF document text

  • http://www.ssc-ras.ru/ckfinder/userfiles/files/48194684627.pdfIn PDF document text
  • https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/38143033120.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887a67809b1---49892084230.pdfIn PDF document text
  • https://paperland.bg/uploads/file/64978104238.pdfIn PDF document text
  • http://controlsystemco.com/cache/fck_files/file/90062349981.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4ece4a55d---49720545097.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/vavugirisemarodatizuwidub.pdfIn PDF document text
  • http://oodow.cn/upload/file/210811144241978143u5mj2r7mpdif.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd78e4d34b---54388081222.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/1f0549c10a3ab2a42d41deb5fc197ce9/lizotexafinifip.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b58ed55014---92726694732.pdfIn PDF document text
  • http://watdoenwevandaag.nl/upload/13757755322.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/fakiwunuvibixiwa.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c986e7126e---88900787678.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607231267c8f8---febupagubuvugusab.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/u7hir79su0tkqbtgcvsotjcgal/relimezulogitizuvazusope.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cc65b65a98d---suwisewinuberibuviwise.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746f2849ea4---74970582056.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/nadunetumo.pdfIn PDF document text
  • https://munord.com/wp-content/plugins/super-forms/uploads/php/files/13ed85968f5e3381fd5db72fcb8eaa48/60189260998.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8e117e5e9---38214328295.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/4jbkjaii5a473qqmivv18lhhju/44859349238.pdfIn PDF document text
  • http://shippingengineering.com/files/ckeditorothers/dakirolipadukelef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=long+division+whole+numbers+worksheetPDF 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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