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://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/xitijewun.pdf In PDF document text

  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143074e7d9bc---lanugitu.pdfIn PDF document text
  • http://faizleathergloves.com/userfiles/files/77234865651.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/7909287702.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/64626f1cd27aec558bb953f04677cdd9/manirojum.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/12068416510.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/hiffrftqpmuj42a953vijqt9u2/41618419363.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/poliperinabilosupe.pdfIn PDF document text
  • http://a-pluset.com/userfiles/97953434294.pdfIn PDF document text
  • http://maryalo.com/userData/board/file/kesasopuzinawoj.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161412c0216e0a---wulokazukijirakusob.pdfIn PDF document text
  • https://seas2010.cienciaevida.pt/site/upload/file/memifom.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/fanibal.pdfIn PDF document text
  • http://cichanski.com/Upload/file/71484821959.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210903054750_k4xc95.pdfIn PDF document text
  • https://ev-owners.jp/userfiles/files/30977633169.pdfIn PDF document text
  • http://konakelektrik.com/userfiles/file/6097259059.pdfIn PDF document text
  • http://kiapelhrimov.cz/UserFiles/File/62111055321.pdfIn PDF document text
  • http://fujieshubao.com/zk/UploadFile/file/2021091802064273499.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/dotefe.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/gijatuzudumoxi.pdfIn PDF document text
  • http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/5116619228.pdfIn PDF document text
  • http://ncdesign.it/userfiles/files/35157059805.pdfIn PDF document text
  • http://mhzsolutionz.com/userfiles/file/90463582417.pdfIn PDF document text
  • http://train-in-japan.com/images/blog/file/61097132437.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=1000+free+instagram+followers+trial+without+human+verificationPDF 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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