Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://hadt.vn/upload/files/68997094185.pdf In PDF document text

  • https://tasivn.com/upload/ck/files/befokasijawubuwabi.pdfIn PDF document text
  • http://stilistspb.online/public/files/uploads/files/97629660636.pdfIn PDF document text
  • http://araratmebel.ru/img/file/95252520593.pdfIn PDF document text
  • http://www.smartlandgroup.com/ckfinder/userfiles/files/81355023465.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/77632846735.pdfIn PDF document text
  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/80394421565.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/jugaw.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1214ab8cb---gokal.pdfIn PDF document text
  • https://12tiga.com/contents/files/fumagatolu.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/4691758826.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202109050307297672.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/xakugavagilifipib.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/pumixevexomovolizi.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/69068736265.pdfIn PDF document text
  • https://kangaroovietuc.vn/webroot/img/files/71837429536.pdfIn PDF document text
  • http://www.musicboxpiano.com/contentfiles/37585365100.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135f3681a633---79967325424.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/92382810489.pdfIn PDF document text
  • http://manisafar.com/basefile/marcosafarir/files/98937887573.pdfIn PDF document text
  • http://parateam.cz/file/vodikiloxija.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4f8ed87f0---fokukubomebudewiga.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210912141727.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/50210119399.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/fasumorufozuvunof.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021091203270624.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=spark+joy+pdfPDF 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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