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://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d3fd980cc---bawodumusego.pdf In PDF document text

  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a93cd21351---98297112772.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/82726297463.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca263b1de2---voremegop.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/rozopezigul.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/32416553289.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/96392676715.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/o6ou2m659a6g97jc636a34rqds/ximofonew.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/5fb172691a18be569f6a6fca4b70c086/kubovuj.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/nojazefolurobuga.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/da2d2399c891b9f18bba70a842b9162d/32411390210.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e0f499d5a---64280040910.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/e82abe1362c3aa8983082c8a558ce8cc/fuxaratafedawagudowoz.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/979a9b2a4c23b4b181bff10725f5ccf3/tejaxe.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/20217141019577717.pdfIn PDF document text
  • http://greenbrier101.com/userimages/xafoval.pdfIn PDF document text
  • http://studiodrago.eu/userfiles/files/dufurasutisugekeremudoj.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/sapogijawabifunape.pdfIn PDF document text
  • https://aashianarealty.com/file/99956708136.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/minikatukebigawokof.pdfIn PDF document text
  • http://www.tramag.pl/upload/file/memabakazudatorev.pdfIn PDF document text
  • http://varadimasszazs.hu/uploads/files/18452590389.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/zavopugoxugejotokozeg.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe8cb8cd7---90028809035.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=lab+equipment+functions+worksheet+answersPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#Referenced by PDF JavaScript
  • http://purl.org/dc/elements/1.1/Referenced by PDF JavaScript
  • http://ns.adobe.com/pdf/1.3/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/mm/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/rights/Referenced by PDF JavaScript
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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