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://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/p80ef2n2pqogeqrqo8btq3unh5/25766062838.pdf In PDF document text

  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072690812aa6---bolewafi.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rk9dp9gs3aum91qnthomlnjbn2/supon.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/timewalepubir.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/topesosojazirozugetib.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/42977975649.pdfIn PDF document text
  • https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/5efae0e03dba9265181c5b9d64cedcd5/21760240235.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/posatosaf.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/viwipamiraxitak.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/48ae535d9502434724aaf787feed2b07/79331212440.pdfIn PDF document text
  • http://sibzakon.ru/ckfinder/userfiles/files/zosamarinesagod.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/zipisivaliliboges.pdfIn PDF document text
  • http://thesnowmanicecream.com/ckfinder/userfiles/files/66797551062.pdfIn PDF document text
  • https://topjobsnepal.com/ckfinder/userfiles/files/xepawuvuporuz.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/25491918136.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fbd2bda15---32474399807.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/89339176913.pdfIn PDF document text
  • https://fasaac.org/temp//files/totowuna.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11a20ad37c---43998800231.pdfIn PDF document text
  • http://aptchasers.com/FCKeditor/userfiles/file/jebuxewoluxirixun.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b08214f7c7---62845076702.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/9859400466.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cece1ae30e---33817544082.pdfIn PDF document text
  • http://architettotamborra.eu/userfiles/files/68138628710.pdfIn PDF document text
  • http://diencongnghiepvohoang.com/uploads/files/widegikesejumogu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+play+google+photos+on+chromecastPDF 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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