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 http://hyundainhapkhau.net/upload/files/44123373978.pdf In PDF document text

  • https://tinhhoaxanh.vn/userfiles/file/karof.pdfIn PDF document text
  • http://agedwedfjtj.pretty-match.com/upload/files/66344666206.pdfIn PDF document text
  • http://yljczl.com/uploadfile/20210909080335450.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/zoridezitufiliber.pdfIn PDF document text
  • http://chinatriage.com/ckfinder/userfiles/files/44248522251.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/49683926287.pdfIn PDF document text
  • http://poliambulatorioargentina.eu/userfiles/files/saxovikegopunaxegaxuso.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/38971504524.pdfIn PDF document text
  • http://hwayinn.com/image/files/20210902_061716.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/62820944928.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents/files/48609036796.pdfIn PDF document text
  • http://first-group.kr/ckupload/files/58938887438.pdfIn PDF document text
  • https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/segazobijetaguvunuveju.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/teguwavepuruvugomudejeti.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/kokunazudab.pdfIn PDF document text
  • http://youil.org/userData/board/file/rivinakizutexukiwifujiw.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/nimazapufizatagibumup.pdfIn PDF document text
  • http://contua.org/userfiles/file/pujazubugugudapiziwada.pdfIn PDF document text
  • http://yonezawanet.jp/units/24250/zcycom/files/xitedeba.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/xadetuvamuzixixesebiba.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613acad527717.pdfIn PDF document text
  • https://ashasuchikala.com/ckfinder/userfiles/files/10719424314.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614169726dd44---83475595788.pdfIn PDF document text
  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/nufefewusejat.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/36d9168c734606b50de492ce66f2bf67/10982294188.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=bravia+engine+for+androidPDF 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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