Malicious PDF — malware analysis report

Heuristics 6

• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/853aacdf0073a575ac0fb07eb398a17b/14861170500.pdf In PDF document text

  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f9bc4d48b---74437351633.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/gk178vsptvlr4iusodr064ha24/larobutuwavabo.pdfIn PDF document text
  • http://vigova.vn/Images_upload/files/81156894608.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb20ac6911---kowusesajux.pdfIn PDF document text
  • http://webinaris.blog/ckfinder/userfiles/publics/files/3744769758.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f3ab2696d15---zaxijitibinogufeninadu.pdfIn PDF document text
  • http://salinahighschool1968.com/clients/3/33/33fcb9b832a528c934b1ac42c6b88a99/File/ludilem.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/xuwuwesomopozikofaviwij.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/10fb62326dcab760f494f4e559dd7693/50571399973.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e6ddd22c2---1111466445.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/figujudilorozese.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210507044800591.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/duzufoxav.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/84432505269.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/ruxarebax.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/otfv0u5q9be96krv9fagttcbjl/nuxexamuxokoroguwejet.pdfIn PDF document text
  • https://binarbaidservices.com/public_html/userfiles/file/8480994980.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/150594fc580bb124f29282d38b22559a/62911484468.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/d21f331d7d2c4f193c77a1fe18bf70de/buzelotova.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/52251946127.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/guvabimopuzewekegero.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/54986392917.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/fanisa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=avast+secureline+vpn+license+key+file+free+downloadPDF 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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