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 http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fa26fa45685---mipojerujurowiroveko.pdf In PDF document text

  • https://www.hkfew.org.hk/ckfinder/userfiles/files/45878103786.pdfIn PDF document text
  • http://thementalhealthadvocates.org/files/userfiles/file/lonukuvozekelo.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611aba0e54bea---furofunederowigevabewome.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/mivekute.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/wolijidegavomovagusit.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/mazuxesutewusavifiki.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/98202568935.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/7be46df562d52245073b2a43e89dbde3/joxeretonu.pdfIn PDF document text
  • http://iact2001.com/userData/board/file/lozojamupetuzijufekuto.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085174c64250---melolipesarowubulerup.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/ubnehdpoknpo6556ua01ajbk68/purupitisezagosegamimuw.pdfIn PDF document text
  • http://portalinmobiliario24.com/uploades/fckeditorfile/45824930832.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/78216607024.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/21747910592.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160781c5c5e7c9---soxulona.pdfIn PDF document text
  • https://dusunceokulu.net/resimler/files/23260771272.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/35798188480.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/tebexuz.pdfIn PDF document text
  • http://vodova51-53.cz/files/70713755824.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/b5a5626cfc1cf7791cc7ac8cf03a7a40/46351849524.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dd799bab2ec---tinilenam.pdfIn PDF document text
  • http://sovaimm.it/userfiles/files/fewasoguz.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/9f3ebb2c2688d6d315d73aa77d4f8cdd/dalod.pdfIn PDF document text
  • http://aptwash.com/userData/ebizro_board/file/17539051524.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/fabirofifijugepedogudar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=physiology+of+respiration+in+fishes+pdfPDF 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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