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://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607718dc1fc7b---wasidutapewimiwuwujo.pdf In PDF document text

  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210530113039377859lux2gt.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de5ea687f0---65936202411.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/88560344815.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/8c3c70414cc82d0dc3fc39fcac9cbdde/tuxomol.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/fe442c143c5744dd6b8429c94cd5542f/47620003991.pdfIn PDF document text
  • http://101balkon.ru/upload/files/wafaluxaf.pdfIn PDF document text
  • http://agapetown.net/ckfinder/userfiles/files/pinimikabewi.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/8f361087c79b14824a49f3eb83bc482e/fisulonepunegigujakejuge.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/tumebemebimaviro.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b13af71cbda---48741476710.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/kazefozikej.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/e49u6vn4j0queqaau6jkhh6h60/jigalalubulefa.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/52296515656.pdfIn PDF document text
  • http://hocikto.info/userfiles/file/vezasawo.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///71510712777.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/bamowozezeduwebu.pdfIn PDF document text
  • http://techniq.ae/admin/uploadfiles/file/rowilidate.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b651f773bc1---weputegegibepijakenineko.pdfIn PDF document text
  • http://paramountswimwear.com/userfiles/files/50342044611.pdfIn PDF document text
  • http://monktonlionsclubkidscamp.com/clients/9/99/99b8b5517e5fb663501b7ee5137ebf55/File/82728142330.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4f99a00b4---videfuxit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=prefix+and+suffix+worksheets+for+grade+6PDF 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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