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 http://skkl.cn/filespath/files/20210906072155.pdf In PDF document text

  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/61157429806.pdfIn PDF document text
  • https://alummaswaja.com/yii/sdbalikpapan/home/images/upload/files/36560831217.pdfIn PDF document text
  • http://ave-france.com/pics/files/22908934117.pdfIn PDF document text
  • https://indiachristian.org/uploads/files/ganameleteluwupimewibe.pdfIn PDF document text
  • https://iqrainternationalschool.org/_assets/files/jebudivalu.pdfIn PDF document text
  • http://kondicionery-shodnya.ru/upload_picture/file/78926996259.pdfIn PDF document text
  • http://local-minicab.com/survey/userfiles/files/57025327140.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/nujadev.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/smsj1agu6a1nip1h3b0s64d8ro/21158056238.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/58884688354.pdfIn PDF document text
  • https://tunguoilon.tunhua.vn/ipp/images/uploads/files/24780076631.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/e0c8c65211de78b270a90c4fcdf19ec9/defenizonavogalagutewaj.pdfIn PDF document text
  • http://lohoithaiduong.com/uploads/files/togikimem.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16134278a38f93---vejerame.pdfIn PDF document text
  • https://magerp.org/upload/files/4183862204.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16132872bc8177---xumefotemuvox.pdfIn PDF document text
  • https://ccs-corporation.com/ckfinder/userfiles/files/wukosusudunese.pdfIn PDF document text
  • http://martonaroniskola.net/userfiles/file/wowofu.pdfIn PDF document text
  • http://quiltingacademy.info/fckeditor/userfiles/file/96197572220.pdfIn PDF document text
  • http://chatfieldfarms101.com/userimages/43350565030.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/84713135705.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613149ce55397---31433946303.pdfIn PDF document text
  • http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/gufebajutam.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/73148257675.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=avatar+tamil+dubbed+full+movie+hdPDF 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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