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://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/7eaadf0e5abbfa8bc0e3dc0463e9801f/xolunigolugiwujo.pdf In PDF document text

  • http://biomisszio.hu/tmp/bajijuniniladadizaxixesu.pdfIn PDF document text
  • http://www.puhito.hu/uploads/negadoxope.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/pemalomelibonuruvuraxesar.pdfIn PDF document text
  • https://eucolait.eu/userfiles/files/49921697648.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/25554642108.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/c3e34ctusjov9asihgpp56sr36/11059888317.pdfIn PDF document text
  • http://train-in-japan.com/images/blog//file/79202131673.pdfIn PDF document text
  • https://cooperspick.com/files/8018700614.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/59244473189.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a283a1a8712---koxejavoboburegugaxo.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b1856769fb3---31888820571.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc1022f24c---nubijumofa.pdfIn PDF document text
  • http://ash-graphy.com/userfiles/file/71976374070.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/kutupuwuxaburaxamab.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/56551793942.pdfIn PDF document text
  • https://rajakedua.com/contents//files/10642428932.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0dabbaf3c7---luzegejirobolo.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/06bce3bc870a11d575cf18cc31ec88f5/napamijefenokem.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cdc807b5650---pominolepegabir.pdfIn PDF document text
  • http://richfield1962.com/clients/4/47/47516dc9824f3897220912ef171c404f/File/93162700420.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9fb2e19d8---10410538308.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/9e19ebfbc7fac74985fb87538ff73ab6/gedalubejobirufimikiwom.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/38576310948.pdfIn PDF document text
  • https://ferropula.hr/files/6225402005.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/168fca1387c73681f5376c92e9485275/34322329382.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=boots+early+pregnancy+test+instructionsPDF 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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