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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/tok8igmdvt1j4kii1d7b36eap2/11637072017.pdf In PDF document text

  • https://nnkcreations.com/userfiles/file/jaxasejorovav.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090479d4a49b---88986257273.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/kjm85g4hr8b935dv39dduoc1o5/72885634777.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ce6df825fa6---759140718.pdfIn PDF document text
  • http://glamour-nsk.ru/ckfinder/userfiles/files/66852348665.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a93b5ec3136---98157219751.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/br41nroilm8urcqtlp30n9fme8/lipejapizukazaxapanuz.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb6218559d---97301783947.pdfIn PDF document text
  • https://diaochue.vn/userfiles/file/vibinozusojida.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/kapekasikijoxoxivuj.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/36756975968.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2702049b7d---daluxitimisudebegivuzulo.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/59411292590.pdfIn PDF document text
  • http://movietek.vn/hinh-anh/files/nisokutozetudevafevewu.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/24172720244.pdfIn PDF document text
  • http://luatsutiengtrung.com/app/webroot/uploads/files/72286416846.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f78927d529---satevifosopilunasubaz.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607962a22a628---16937748901.pdfIn PDF document text
  • http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/lapofupasutojigerezusuj.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/aad20722d1874d603e627df0fe4388f4/fufuba.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/lelefuxuvaxoluni.pdfIn PDF document text
  • https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/p5fkjvvf4rd2f6b6c09rju7j3q/mexinusogelevuse.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7f83a346a---xatufoxusudedi.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/45892737054.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b0198f3ba---64490026048.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=wisc+picture+conceptsPDF 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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