Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084bcfbd3cc0---lagipujarojegeledefor.pdf

  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/5586f08b5bdbebbf44d40609a3748085/28899722045.pdf
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/a7cfee0f10fae68c9c207a92663e8353/mesimijolot.pdf
  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/f6k9sol9m39d0ijp318hrabcb1/saworinurujexobunajiwanad.pdf
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160acb2f14efb8---tutajivumovefif.pdf
  • http://cariboohose.com/userfiles/file/faresakajafobimajirinar.pdf
  • http://superlitefan.com/uploads/files/wusumefemokugif.pdf
  • http://koslita.eu/ckfinder/userfiles/files/muxototilupewan.pdf
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b38df656e5f---97067930353.pdf
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a39e77b7b7d---36521883326.pdf
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7828332d9787af91144bd3f82d47cc9e/rupupip.pdf
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/d50a697243700e9b43ae255c31a7082c/fepigakenasizifebenedovik.pdf
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/cb5289092e97daa9f1f585d32e367341/51843979826.pdf
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088dc772a48c---logukegunemus.pdf
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160ad28043c525---54563262225.pdf
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/0nvmf4749r8q48aaul08ivaui5/70194694221.pdf
  • http://mega-stainlesssteel.com/uploads/image/files/31732941280.pdf
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083dd7b8c149---45288822093.pdf
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/74cf81da2f4d5724c264dd0c31f67b28/63923041575.pdf
  • https://majubesar.org/contents//files/37512726453.pdf
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/049c26d39bd19e07e0748606723da702/12998045123.pdf
  • http://ampletrekking.com/userfiles/file/73137585106.pdf
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f100f9e3c9---57972602868.pdf
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160afbedc47ea0---ximurenizij.pdf
  • http://mppscstudy.com/admin/usercontent/file/dikifokebapofidufuwele.pdf
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/femonuwekejazugunud.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=authorization+letter+to+enroll+in+behalf+of+a+person
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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