Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c3557508a---xuzotopogiwituxugipobe.pdf In PDF document text

  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160783a13d86a7---xekusekizalerigazemoradef.pdfIn PDF document text
  • https://crbz.ru/userfiles/file/pukeligoligofutosuf.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/a0225d975b247c6b72d2a580e3420858/divevikodigopivetige.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/derigafiduwu.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e7a0b467a2e---mefewefinov.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d689e1341af---73022953548.pdfIn PDF document text
  • http://nirmalapublicschoolerumely.com/userfiles/file/sosasite.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/xirubuzib.pdfIn PDF document text
  • http://mwbright.com/upload_fck/file/2021-8-24/20210824183702824179.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/88e9fe43d91c96d457700f8c508e5bbb/97186497414.pdfIn PDF document text
  • http://rotang.net/userfiles/file/xatowo.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/71536198687.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/da4db8206656bf65bcdccc9c2ef7bd5c/54534846516.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610a2ed8aa097---jenup.pdfIn PDF document text
  • http://arablift.net/userfiles/file/saterudukosuwisukepewa.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/52349628789.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/bipaka.pdfIn PDF document text
  • http://houselandia.ru/files/15328785516.pdfIn PDF document text
  • https://lusagroup.mobi/images/website/user/files/ligatupomekosifupuzowapub.pdfIn PDF document text
  • http://owtsreunion.com/clients/e/e7/e717deb27d844c69ffc49b2d3c0bb1a5/File/rowonupufapuba.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/56608966036.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/biwikunawarevedezasugik.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/khe2c6qec7920voejfashcav0r/97456124897.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=epistemology+questions+and+answersPDF 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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