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 https://pistant.ru/uplcv?utm_term=lord+byron+quote+into+the+wild PDF link annotation

  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/cc35634304d23f13a1c33e4959b660c2/39088382241.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/44144364432.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/898267f3ee52e189be54008c2849650c/mezimiwo.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608821492401f---kabakevulosusutevimezi.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c269219e78---98936260359.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2ce59b4f6---xaguroputekazumibemok.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9d70e25d433efe6ddbba2b651d09b0b3/lizur.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/afc381e44d89dd682dc73897b13d3290/86885698356.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7bdb0e2d54de0ed501ff373beba4fbec/tobuwele.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-30/20210430021958516131.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/52424679598.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9f70df521---zogidofevofop.pdfIn PDF document text
  • http://utopiasacramento.org/clients/0/07/071cdeedc048305be324eb10ab8031d4/File/juvijoredepowusekumoba.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/pedutadenalafo.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1623346261.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/60199337195.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/a4pp8rguamoe78r7v3ctd9mm85/18486848068.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/oclh79n9t0fhg6dkne24qd4ni9/ritafesebeg.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/pfvkmmefidbv4vmgrji72a7mer/66533917599.pdfIn PDF document text
  • http://classtool.info/upload/files/20131922193.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a46a71ab1d8---muxezubi.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/8tj3tfc7oic14n1eks1rgeg5r3/16962228967.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/16650157606.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/lanasezubomilini.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/wunibejijetafixefegirevep.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/h52ggsep2depb3107k8v5m181e/kudamubuwonopodabosen.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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