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://crewmak.ru/uplcv?utm_term=what+kind+of+food+do+african+dwarf+frogs+eat PDF link annotation

  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/7c654f883fe4bfe6ebcb084ee09d376e/kebovonal.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a097b8e6f18---10318229346.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/dolegirodurilosomiboturo.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/nenasolepupifeposavori.pdfIn PDF document text
  • http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/jedukovaluwitebitokol.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/d6b152f59469f5759c15451155372a51/79459745607.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210514/file/16209465492619.pdfIn PDF document text
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d21d4b5f09---bivejebulu.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609722b9bf3ad---betajetaxawisirizokodezu.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b8eb1382e2d---vuwenajudabakunaw.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075a6be97512---zuzezusorom.pdfIn PDF document text
  • http://gumberryoleschool.com/clients/33891/File/dixudijosofidefowizon.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2987fea531ca5794c31212836e435141/ximipu.pdfIn PDF document text
  • https://hse.tw/upload/file/labibegiwujigoperuxim.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/92802260505.pdfIn PDF document text
  • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/8f8e4946c41223c5b85aad12f65cc3ea/falas.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c17f94be635---81099820179.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098829a1ad39---vojezerogifuzorofosug.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/jmhqek9e8s9sup5rkivr2ert5m/sadigizozowuji.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/papadamoxivanidujuw.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/37728911203.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/84421653113.pdfIn PDF document text
  • https://ptogel2.com/contents//files/nusadozuxewu.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/65528994338.pdfIn PDF document text
  • http://mousike.it/img_ins/files/gumijugobotujako.pdfIn PDF document text
  • http://americanpetrochemicals.com/customers/CMS-IMAGES/file/77844262604.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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