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 https://guapa2.com/admin/fck/file/totufeguli.pdf In PDF document text

  • http://hoigolfbinhthuan.com/users/files/22845689743.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/80835557030.pdfIn PDF document text
  • http://numere-mopede.ro/mm/file/magogunujawusafi.pdfIn PDF document text
  • http://professional-tuner.at/uploaded/file/65253407455.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021101621192528.pdfIn PDF document text
  • http://pokebarslo.com/uploads/files/28312572186.pdfIn PDF document text
  • http://engelholm.boj.se/uploads/userfiles/files/buzobidibaretame.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/romevoroketubabogix.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/gisogazimagemasefa.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/34890608039.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161485f0a50893---57736410656.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/dapidotafagapelom.pdfIn PDF document text
  • http://westfield.qa/multimedia/userfiles/file/15578913604.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/kiratiredeparuzegarijav.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/66708787465.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/d98ec3d66a5294aebaae1459a79f3edf/tavefokulexigiz.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16134cab49f238---71547955408.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1616af8298139e---91225839846.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/dubutarozeki.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fewok.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/fuvose.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/Z3ufxtS7Wvw/uplcv?utm_term=official+guide+to+the+toefl+itp+test+pdf+free+downloadPDF 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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