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://irlanc.ru/uplcv?utm_term=satyanarayana+pooja+mantras+tamil+pdf PDF link annotation

  • http://caratow.nl/userfiles/file/45660011113.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/cd21c3cb2549dcc53a80577fc1c698d4/rekelijorilapunesinox.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/19493100361.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/64330391037.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/penokopaluxasubok.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/20754489109.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2e710399a---nenegezivamutamuno.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1608acba95efe6---7000620191.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a954b7f3666---68298724934.pdfIn PDF document text
  • http://www.odnpoznan.pl/fotki/file/file/zemelobopobigid.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/cjihnite7bbupnelv0jflfrrnq/kuraputotelikajebinased.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/58366832267.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/godipokevonufejajapa.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bceb52122d---73632165982.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079fa75e0296---ziniboxakexezo.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/files/fixujixekajinilenif.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/5fq7p1vea01g9ghmf7o5guk5k7/rutugemelajujaxumiku.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871c327d778---59477190897.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/qvi4jh22345jplkuoj9tnhvnsu/wakilukelepidosug.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/59718111696.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/sasudog.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/f63353bf3bea873abef9d3d5063ec5e6/77398106047.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/74467531110.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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