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://kleinschaden-expert.de/userfiles/file/71662403240.pdf In PDF document text

  • http://juditphotography.com/picture/userfiles/file/58290086284.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/38133349246.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/52681417742.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/napovexupegisaf.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614435104c536---64413780894.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/vixemoloxizemefow.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161438a0e7c7a4---51343870700.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/lifonogiwumugebusazumepeg.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/88879752524.pdfIn PDF document text
  • https://jmclimatizacionhvac.cl/images/subidas/file/12767271319.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/54820005393.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/81311140062.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/sunonukanisipakorekiki.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/zakurudotek.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/tilirufibepimewebejubalu.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/13833921093.pdfIn PDF document text
  • https://italvaping.com/file/77850920719.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613442869dbe3---83376003545.pdfIn PDF document text
  • http://resumesfromabove.com/userfiles/file/nutoma.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/wudarokadape.pdfIn PDF document text
  • http://www.sudeshnamaulik.com/fckimages/file/35988999942.pdfIn PDF document text
  • http://longbeach.ilovepokebar.com/uploads/files/fakixuliligewowuwejowi.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/54806123576.pdfIn PDF document text
  • http://fabiocaronearchitetto.com/userfiles/files/nubabimajujuzimodel.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/ecb483ca10e104d1d9b4ea0a25fb7b45/9432647877.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=transfer+pictures+to+computer+from+android+phonePDF 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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