Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://archism.ru/uplcv?utm_term=mha+season+5+ep+9 PDF link annotation

  • http://unstitchedfootwear.net/files/file/21346855692.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161340a5a80afd---7718901320.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613602630bd08---29911113159.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/gemajabudujixa.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/kojadikafajobi.pdfIn PDF document text
  • http://zhongyuemedia.com/filespath/files/20210907200911.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/zoxepezesoxufijezip.pdfIn PDF document text
  • http://jamxmpharmatech.com/upload/files/63535981255.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/13967152379.pdfIn PDF document text
  • http://wych123.com/upload/files/36881165052.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/11ca0dd145830469a4a5671dbab2450e/22488673347.pdfIn PDF document text
  • http://netart.hu/userfiles/file/3074432540.pdfIn PDF document text
  • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/77522274845.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/29562842554.pdfIn PDF document text
  • https://sooryasales.com/uploads/file/jinebokirulogulip.pdfIn PDF document text
  • https://tauthuy.vn/upload/files/lurasapexotisag.pdfIn PDF document text
  • http://hidramaco.com/files/files/96973031796.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/pelokabobo.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/32962351324.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/2811280422.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/xevaseferodurivotitanitow.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/46549658166.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/45754028833.pdfIn PDF document text
  • https://tenekedjieva.com/uploads/file/40070172533.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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