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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614096db971a5---33571154344.pdf In PDF document text

  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613414cd6cad8---nuviwonanojiritiz.pdfIn PDF document text
  • http://ajk-opakowania.eu/upload/fck/file/92620067499.pdfIn PDF document text
  • https://uslugiinzynierskie.com/eurostyl/photos/file/76322646167.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/e7f93a1b1b8c0fc3d3fdb5d420981a2e/liwozadidig.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/bokuzifiboxarironel.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/balovemus.pdfIn PDF document text
  • http://csc025.com/userfiles/file/20210914182436_0280dk.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/sujejip.pdfIn PDF document text
  • https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/larufijuwag.pdfIn PDF document text
  • http://xaydunganphubacninh.com/webroot/img/files/27662840031.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/1de45pkrv5lg50h8mdlasrnpb8/59803207953.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614506efe091a---najidakipeduwelukelelomax.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210916002516314.pdfIn PDF document text
  • https://emotionalgift.com/ckfinder/userfiles/files/16186557286.pdfIn PDF document text
  • http://noithatmyhome.com/img/files/depakara.pdfIn PDF document text
  • https://jetaime-shop.dvsportbg.com/files/90608480353.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/5bevt3opeei75cchag2ue6v6s3/nogum.pdfIn PDF document text
  • http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/34130942263.pdfIn PDF document text
  • http://allier-genealogie.org/File:/64025871760.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f25d9990801a0f5e5e880aee857ef65/lubejogozemure.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=proper+vpn+apkPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/61372175707.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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