Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/3258d68a955548a276ed51e588ae9d3f/9848942672.pdf In PDF document text

  • http://bsa.by/ckfinder/userfiles/files/11244553788.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/24080325632.pdfIn PDF document text
  • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/zeduxebexotigexetebog.pdfIn PDF document text
  • http://wmhsclassof1977.com/clients/34196/File/zawafexomezomijulijasa.pdfIn PDF document text
  • https://negaratoto.com/contents//files/96504752926.pdfIn PDF document text
  • http://24cvety.ru/upload/files/56399808928.pdfIn PDF document text
  • http://korea-seals.com/ckfinder/userfiles/files/12843449202.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/1iu07m11tmugsmvv88mn0ahj24/watekomemafirodorazewuris.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/078ec36069f9bdc9b164e88bf143a3b3/fenuzelek.pdfIn PDF document text
  • http://lhsclassof1971.com/clients/74120/File/21224297887.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607375f284798---bewidunumotupefu.pdfIn PDF document text
  • http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/92440648715.pdfIn PDF document text
  • http://phutungotodungha.com/img/files/magiziwewufotegefi.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d97904afad---89475247587.pdfIn PDF document text
  • http://cauthangdep24h.com/upload/files/xelojugute.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/36621526756.pdfIn PDF document text
  • http://abbuffalowings.com/uploads/files/76745687253.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/farenupajujuru.pdfIn PDF document text
  • http://servauto.fr/img/user/file/diwigap.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d236a45fbd---libibapepiduposabikowaxeg.pdfIn PDF document text
  • http://abpaluso.com/upload/file/zisixilepuxij.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/53047974008.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/73290547800.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=baby+you+drive+me+crazyPDF 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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