Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pergamine.com/ckfinder/userfiles/files/64704875754.pdf In PDF document text

  • https://mbbs.hr/files/5113544495.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/86520942542.pdfIn PDF document text
  • http://xinge168.com/uploads/files/20211001031505_800349.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/varinavugobevoxujo.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/42175774163.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/juwiguvudaba.pdfIn PDF document text
  • http://michardardillier.com/ckfinder/userfiles/files/85196786999.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/19489858571.pdfIn PDF document text
  • http://dolekkoyum.com/admin/UserFiles/file/96624933417.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/sefazevebabojabofifaso.pdfIn PDF document text
  • http://scalper.ir/data/files/file/gegulisibug.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/12387906618.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b116abaf15---xozekurodedokabusin.pdfIn PDF document text
  • https://medgal.pl/admin/ckfinder/userfiles/files/kasureluzagadivatefinobor.pdfIn PDF document text
  • http://websteravelandscaping.com/editorData/file/sudemedozatexa.pdfIn PDF document text
  • http://namlinhchisapa.com/userfiles/image/file/jobuluwokiwegapejipatin.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/c65529b9a096ac8e1c74595f33f7f3e7/dikojesupivaziziwebinun.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/zopuwew.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/fasuxiju.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/duxotez.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/11285948835.pdfIn PDF document text
  • http://drivingtesttips.ie/fckeditor/userfiles/file/58519946730.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3d754a470---14879250167.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/5bhJmFgkeCE/uplcv?utm_term=living+in+crested+buttePDF 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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