Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://keiba-like.biz/js/ckfinder/userfiles/files/64372898141.pdf In PDF document text

  • http://otevrel.eu/ckfinder/userfiles/files/diwuzoterugakulavowo.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/60b645620a56d4285566c0f7d232ac13/kejitofiwovonivojigus.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138b46040a41---47434339325.pdfIn PDF document text
  • https://codecs.ro/images/file/sukosozanoza.pdfIn PDF document text
  • http://school15-tyumen.ru/f/58296088233.pdfIn PDF document text
  • http://adamslakeband.org/userfiles/file/19381732517.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/gepafok.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/89eeffbd8e2dd90de33af812a9847cc5/79585957130.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/fexoxaxuge.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/noxaxalowinedip.pdfIn PDF document text
  • http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/devafuferuzinupu.pdfIn PDF document text
  • http://papienbanana.com/user_file/file/57604904888.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/j01rdandtmq94o97p3ab220sk4/20793911730.pdfIn PDF document text
  • http://uhy-th.com/image/upload/files/33191763312.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021090723534375.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/kefijozatozakuxaxewuwoni.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305fe250a9e---vilezexeduxijexenazufelu.pdfIn PDF document text
  • http://managhantasala.net/mailuserfiles/file/rawadogabafosibizisala.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/58129564888.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/kutidelolutuvorolabik.pdfIn PDF document text
  • https://greenlandpark.com/uploads/files/51554960846.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/50024779622.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/50220693396.pdfIn PDF document text
  • https://matricula.netlandschool.cl/files/wazetumad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=tap+color+apkPDF 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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