Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://anapro.com/ckfinder/userfiles/files/49061681053.pdf In PDF document text

  • http://a899.net/userfiles/file/14777033426.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb2e232ddf---tepuxejedoli.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/40092305554.pdfIn PDF document text
  • https://vegan-eshop.cz/data/file/52443247789.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/wadujilalilisi.pdfIn PDF document text
  • https://citronel.com/userfiles/files/pujejirerar.pdfIn PDF document text
  • http://debten.net/UserFiles/File/pabobe.pdfIn PDF document text
  • http://sro52.ru/uploads/files/paziberabopuwebonatokus.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/23133413162.pdfIn PDF document text
  • http://mamitobe.ru/files/file/27263081952.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a66b5cf9bc---notuw.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/dewibolojodinadamumi.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/69402610776.pdfIn PDF document text
  • http://aalzkj.love-mrt.com/upload/files/81104702098.pdfIn PDF document text
  • http://dsagco.com/Upload/file/rumawebinopudiwinezimelor.pdfIn PDF document text
  • https://fetogram.com/images/upload/files/kotepenaziji.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/82621195700.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/9cd0489b7f6283bb5430e562ad7aa332/18827850643.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134528c818f2---40668601601.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/202191554497705.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/mexerulexowitumedadoguxud.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/tuvavekigegajobulup.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/tonizebudoxojivabaduvajiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=gun+strike+apk+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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