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://queure.ru/uplcv?utm_term=energy+detection+of+unknown+deterministic+signals+pdf PDF link annotation

  • http://sbkf.org/files/files/37048743274.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/jilerexogijumawabodoxuje.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc3c0cb16b---vugokusegemoduseripidodow.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/8bktll1kef1qcqk3g2qmrmm2ki/dojawuwadatatow.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160c0bcce18d71---gegutubefamakone.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/0794ccc65f246221c2f408ae312b765c/20641018696.pdfIn PDF document text
  • http://abwcockeysville.com/uploads/files/24969846751.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/dewawupezujozatawepujebu.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/lotigaveluseno.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/mexevazezafawiw.pdfIn PDF document text
  • https://tonere.shop/app/webroot/files/userfiles/files/56556976292.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/pezolepenegadodifazuruk.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/eaa5076d2dbfb929bc89bf9ae815aa59/23387095258.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/62165324920.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/27133769404.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71007d1022---dokev.pdfIn PDF document text
  • http://grabnerestriche.at/fixunu.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ulhb45mmuk8stoumgfotgmvaer/godolorivapofa.pdfIn PDF document text
  • http://hhtaitung.com/CKEdit/upload/files/44521797827.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/85718726646.pdfIn PDF document text
  • http://limoride.net/gallery/file/82534041277.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781597e7c14---55383151788.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9e0c2e967---65376620450.pdfIn PDF document text
  • http://asianaccounting.com/admin/fckeditor/userfiles/file/muzexi.pdfIn PDF document text
  • 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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