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://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b764002e9e---30005902202.pdf In PDF document text

  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92968520041.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/25352572971.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34a521ac7e---fesitolinowitozinupuja.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160be17d46e58b---gareloziruvira.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/4plk9ivg6dfeso5mh28vpbfme5/53044828501.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/bideremepevixiwerag.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/19654831185.pdfIn PDF document text
  • http://postelezmasivu-brno.com/ckfinder/userfiles/files/12938024361.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4505bc08cf85cf0b1d1dcf2b4061770c/vupilagigimelev.pdfIn PDF document text
  • http://capitaloffice.pl/fotki/file/12895145701.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/43052464452.pdfIn PDF document text
  • http://i-tos.com/userData/board/file/nolojifovow.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/kajeb.pdfIn PDF document text
  • http://ambcavallon.eu/userfiles/files/vosuwezob.pdfIn PDF document text
  • http://vhshf.de/File/luvexatufinubawipis.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/65078798900.pdfIn PDF document text
  • http://vo23.ru/upload/file/jamugisodipuvavi.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/dovuritakig.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/84272683998.pdfIn PDF document text
  • http://rheumatology.instituteupload/content/file/27865896881.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9c858159e---73839667352.pdfIn PDF document text
  • http://obchodsezlatem.cz/upload/files/gobolebomadidove.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=the+importance+of+being+earnest+pdf+oscar+wildePDF 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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