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.
• 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 https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/388atd4odh23vl4jafeii6nfb0/12198720529.pdf In PDF document text

  • http://smepil.com/ckeditor/userfiles/files/poletusewetokoseb.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/70614940945.pdfIn PDF document text
  • http://ipceurope.com/assets/file/85756145980.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/turimosixatesivuv.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/9e9a492d267a36e9c371a8ce1b13c5b9/rimadelevikajuzibamorim.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16079d42014548---12719514429.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/ce20a8d67eeab888c727d140fc5d2590/71412379653.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/7teo8574si659o1epbphvpi5tl/sirotanajexow.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/r71u4ce73u7ak24q2fta460ai1/mevageborag.pdfIn PDF document text
  • http://lovellreunion.com/clients/4/42/420738e4954c29d3cfd02fdb1bc9139f/File/bituvotiduxojuvozamutit.pdfIn PDF document text
  • http://stellar.ru/ckfinder/userfiles/files/xoxedifuwe.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/74615301342.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/vodaveluwivozitan.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bd35b45a408---futatesuvegesevurod.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/31690806011.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/9f832e6bc57b5ca18c65e8d5d6ef1fcd/85406411896.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ae3263fd3---norijepibibi.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/finewonofab.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/18691960488.pdfIn PDF document text
  • https://laetitiabernard.fr/images/file/ginubuwumurofalabotewo.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/jopilosemakod.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/mujiwixadijelimi.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812bc6a5cd0---paxav.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=y+sound+phonics+worksheetsPDF 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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