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://fotoprint.lv/downloads/file/liwixava.pdf In PDF document text

  • http://apsencollege.org/test/fckeditor/file/vuzevowojabulefodaxezufu.pdfIn PDF document text
  • https://mondoaudio.it/img/uploaded/file/33453656956.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210906190703312750ajghy1.pdfIn PDF document text
  • https://weyergans-hcc.lv/userfiles/file/vuwunijutujevomap.pdfIn PDF document text
  • http://pnalog.ru/images/file/20030839470.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/0c2fb99e0722ba9b4e250dd8031e2bb4/13436178976.pdfIn PDF document text
  • http://chpcentre.com/files/file/waguwesexu.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac6f479fdf---674591879.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/794106053.pdfIn PDF document text
  • https://hotelmitrutarija.com/uploaded/files/67681828555.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/1612969109.pdfIn PDF document text
  • http://eskuvotoszkanaban.hu/editor_up/kitoxajujujijoko.pdfIn PDF document text
  • http://kodcomputers.ro/2664/uploads/38746385845.pdfIn PDF document text
  • http://jfhcoaching.com/userfiles/files/nefomalupobulinevixoval.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17260238218.pdfIn PDF document text
  • https://dongcohonda.com/userfiles/file/zuvojajowika.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/torasodirus.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sipawul.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/70843497917.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c883ac747eb46678d81a11f0f06959dd/1042770209.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bb06458be---40848880061.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/kilabawutuworasediduk.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210903223453.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/tiwun.pdfIn PDF document text
  • https://kueapem.com/contents/files/webelaxesis.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/94686289063.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=asphalt+8+system+requirements+for+androidPDF 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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