Malicious PDF — malware analysis report

Heuristics 5

• 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://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/1oeoqfi0vs7egkfqqlbm3ecmi3/37240513203.pdf In PDF document text

  • http://luligang.com/ckfinder/userfiles/files/kigilofebanita.pdfIn PDF document text
  • http://gryfarmerskie.pl/pliki_wyswig/files/jegaxewobasotewumar.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/9386a800ceea953d18c029c0364e3ee9/91861986543.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/59031391114.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/46353108258.pdfIn PDF document text
  • https://xistenze.com/files/files/dudejonilerijetonobawe.pdfIn PDF document text
  • http://boissee.fr/userfiles/file/zuganage.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800757bb627---zesuse.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/tawodaw.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/d1da48bcd23b89e0b71d9a4460526a79/33324076554.pdfIn PDF document text
  • http://www.heksan.com.pl/file/bomeluxa.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/judofinesulagotixoloxebef.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/90374225145.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/da2a0c6db9a5b8c95fcf243c59c67473/24225205026.pdfIn PDF document text
  • http://amsasecretariat.fr/userfiles/file/ligilerorabivusulimogivi.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/tmnd4s6bnjhig4fler8c1srthr/ramukixamisolumexopuw.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/tanibadevidofowugul.pdfIn PDF document text
  • https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/0cd2519f36eecd2bb94093db08ddc50b/9825956770.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160732bf17da48---94966515159.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725ec7d80cb---bidogisunudajalajizub.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/e049280ac8f52b4ee648b754ccc2be91/zajizibonab.pdfIn PDF document text
  • http://tasarimak.com/ckfinder/userfiles/files/misexor.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/97284043746.pdfIn PDF document text
  • http://wellnesszeewolde.nl/site/data/ws/files/4151416553.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=things+to+make+and+do+in+the+fourth+dimension+pdf+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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