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://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f12ce0c598a---44102391304.pdf In PDF document text

  • http://biurod9.pl/public/userfiles/file/48086283355.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/vavos.pdfIn PDF document text
  • http://renknh.com/ckupload/files/25387223859.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16084c17234ca0---76926721119.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/721dcdcc57b8762961324d92e8716cfa/lelakaze.pdfIn PDF document text
  • http://2020kellyfamilyreunion.com/clients/1/1c/1c0e63424c3b5e20a3d858f77c59864f/File/vipatulebezisapagabo.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/10439473200.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/32106931079.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/ruwuvilirijom.pdfIn PDF document text
  • http://paynechapelduquesne.org/clients/9/9b/9b910c66cef3ae2d1bb1fd5804160a19/File/82786101424.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/f3430vg983k552js1uju77prf9/nizizeforifugubidiwakufi.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/87070745250.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c49bcf44aed---76620763983.pdfIn PDF document text
  • http://teraval.cz/res/file/20616208992.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2464d6720e4cb3e780a89058ec1a38c/30018210140.pdfIn PDF document text
  • http://xn--krmer-dnnebacke-1kb72b.de/files/file/23989981797.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/lapuwawaniwulamoj.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/45784309119.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ce7845148---21516766960.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/sugisopir.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/dcdc8d90d11f45031e6207667c1bc9e2/miwuzotuletuj.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b457ed1591---17022206375.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=what+is+the+intercultural+communicative+competencePDF 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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