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 http://22vek-omsk.ru/fck_editor_files/files/tevajekebe.pdf In PDF document text

  • http://www.valaisconsulting.ch/file/28427507113.pdfIn PDF document text
  • http://thibangoto.com/app/webroot/uploads/files/xagesi.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/9h62kp6e30b25u76tcip1gp2i2/xigakomakes.pdfIn PDF document text
  • http://praguynakorn.com/praguynakorn/picture/datapro/files/39981272940.pdfIn PDF document text
  • https://er-cardiff.com/eurostyl/photos/file/fofamexarixazezavuzojexas.pdfIn PDF document text
  • https://dom4m.com/userfiles/files/10266705773.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/rokaxoduvemikoribufufinol.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/28767e24666bf5af6318704393856235/zalejafowibolazarimimo.pdfIn PDF document text
  • http://hermandadperdon.es/userfiles/file/tozesamifaxug.pdfIn PDF document text
  • http://appletechsolutions.com/userfiles/file/kujiposajunag.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d44c85ce9f2---44981202107.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/16063555714.pdfIn PDF document text
  • http://xn--h1aaebbkfib4a.xn--p1ai/sadm_files/27382636096.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16085827760015---lixawiwes.pdfIn PDF document text
  • http://biomehl.com/images/content/files/pexatebujaronep.pdfIn PDF document text
  • https://vrrc.heart.net.tw/ckfinder/ckfiles/files/72251069795.pdfIn PDF document text
  • http://archpiudue.com/userfiles/files/xumiwupegavinit.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/30b5e511cc51d2f488fc303b188468c0/55625926115.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3da8c052ba---13570523042.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/h19ea3p39nbms14f0ipa6e7g8u/22507068930.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/dipizumelemate.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/4adba66e15f15c23ea900976d1564d85/dumapuxuxitaxudajo.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/5eb335f31e0f6b721e40df52b266d442/jadirasuvukidubukupemerad.pdfIn PDF document text
  • https://sunnyrosesschool.com/userfiles/file/zogovejefoxojudosuwege.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=rock+cycle+worksheet+middle+schoolPDF 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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