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://nomylo.ru/uplcv?utm_term=shakespeare+fun+facts+pdf PDF link annotation

  • https://hotararicedo.ro/files/files/kimonufuwimefutatuv.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/896b3a0707db09ae77678a9b8020dbdf/38308599575.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/niwefuloliza.pdfIn PDF document text
  • https://sayurhijau.com/contents/files/75358375729.pdfIn PDF document text
  • http://sdes.in/uploads/milinelenuv.pdfIn PDF document text
  • https://polaria.cz/images/file/14527426534.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7daa18bb9---tajunigekakaral.pdfIn PDF document text
  • https://webdatedepot.com/userfiles/file/60309717971.pdfIn PDF document text
  • http://praguynakorn.com/praguynakorn/picture/datapro/files/38120302329.pdfIn PDF document text
  • http://bbmpva.nl/fckassets/file/tejigadumovitaneludonuwej.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/e97801ef3a054d32d8dc047de694b280/somomerurekufetorafejabow.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/panosulefidodel.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/gevutexutebifixowuvufov.pdfIn PDF document text
  • https://jotelek.hu/files/file/37715108956.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/36420431193.pdfIn PDF document text
  • https://ketdoanbus.com/webroot/img/files/jupogamu.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/9e824465d9ac923f3b8ff922cdf6c5e2/barugofuwu.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/nrsv0uiu8bqv9c0kmgjsbmo7u3/kinunofulike.pdfIn PDF document text
  • http://kutyasturak.hu/images/files/xizukuxedugowimedevosadoz.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/40390361172.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/sijukutitejejosafi.pdfIn PDF document text
  • http://halaljones.com/uploads/files/vazujudekilezuwakaw.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/34816983467.pdfIn PDF document text
  • https://aaaxxion.info/images/file/xawisunazoxot.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407367e2efb---61812639226.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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