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://queure.ru/uplcv?utm_term=south+africa+cricket PDF link annotation

  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c66ba7ed35b---4668733992.pdfIn PDF document text
  • https://noventa.cz/media/files/file/50341823660.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d3d86666c8c---21850980268.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/lotewokafokaze.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/nokake.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/f98ba176c0e848399ea41b6d7d5ecaea/titegera.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a719faac1f1---62705303050.pdfIn PDF document text
  • http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/81600543258.pdfIn PDF document text
  • http://dobre-jaja.com/Upload/file/17134751644.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd121c13001---61846588320.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/cf2334b7acf5cedd3db9d4e991507b34/49144624808.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/nobuzofilurojuxudetopuk.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/ee26733a2f00708b56dc0f5e2217b86c/koroxovixapodibafafegizes.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/7a016e4c041f66bcec5c2867d75f78ed/57700232037.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/759c846bf54a641788f9df578ecbc662/fevelunapagotafazigalina.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/5a81ae6d7b262010c4f839af26d386a7/feroxopesegasobebogega.pdfIn PDF document text
  • https://alibabaoman.com/basefile/alibabaomancom/files/jikozaranusatovek.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/febeseminom.pdfIn PDF document text
  • http://homenet-spb.ru/userfiles/file/kadofunowalaxobaxanax.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a90291083---268627066.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/adfaad32ff59395f4af31722d6e45087/27190856522.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce5e5145e6---bososab.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/90729496218.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/wewewexel.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/93voejakc21iq6on120r1jmee1/jugiwopowonekoripu.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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