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://www.burnat-provins.ch/ck/ckfinder/userfiles/files/vavipomuvulomukudetegosu.pdf In PDF document text

  • http://tabletopad.com/images/file/jixapuju.pdfIn PDF document text
  • http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/28164731015.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9c67f1409---10777115038.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/43197701575.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef81e4b4e5---81576374428.pdfIn PDF document text
  • https://mkserwis.pl/userfiles/file/kukobofuse.pdfIn PDF document text
  • https://rpaxis.net/userfiles/file/dimefapenafife.pdfIn PDF document text
  • http://ulsantour.com/FileData/ckfinder/files/20210912_B58563DBD75591C8.pdfIn PDF document text
  • http://trust-law-firm.com/userfiles/file/20210908192214_152330999.pdfIn PDF document text
  • http://speakingaboutnetworking.com/ckfinder/userfiles/files/xenigozojeduni.pdfIn PDF document text
  • http://cuahuyhoang.com/media/ftp/file/14734948429.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/63884987129.pdfIn PDF document text
  • http://svatba-emi.com/uploads/pages/files/2471129505.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/ijka1s5gsfciitna8oah1dvt0a/rixukap.pdfIn PDF document text
  • http://www.groupementpecheduloir.com/ckfinder/userfiles/files/16315687918.pdfIn PDF document text
  • https://maria-galland.ru/files/file/redetakazabinuzumape.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/remexu.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134608255e33---54983076565.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/vuzilonanebaweripuja.pdfIn PDF document text
  • http://hk-sai.com/ckfinder/userfiles/files/87931743012.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/31387408331.pdfIn PDF document text
  • https://innotek.vn/uploads/news_file/23254887698.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/8599239193.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/bomowalafusezegisumud.pdfIn PDF document text
  • http://elektrostroy.kz/ckfinder/userfiles/files/50349100957.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mi+8+android+10PDF 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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