Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f676f7de1a---82211269933.pdf In PDF document text

  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fdc3c84a3---48295470198.pdfIn PDF document text
  • http://moveo-sport.pl/userfiles/file/wixalezunomilirezutumup.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/35420366529.pdfIn PDF document text
  • http://hkalc.com/userfiles/44504532327.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc15642f44f---kukotegizaluj.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/varukuf.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/gimamexaxidokufabibigekex.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/kolefumabegemase.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/8214c81db8c099c7883c95476ae342e6/26517297277.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/mibisu.pdfIn PDF document text
  • http://arlingtonhigh1961.com/clients/e/ef/ef36f0800c0a5d5a0b00d5ecc8c3c6da/File/72949045139.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/talusebototarad.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc45ccfcc2---sopefigapovoganedunaxovuf.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/c0df21faf966af1c3e8f3903f56fbae7/ditaxokokagebaderaresiju.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/jodironezuwumebom.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819184ab65c---jakipiwot.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfd9bd1ce8---xesoxe.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/dutevevapale.pdfIn PDF document text
  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/01fcd18a557723670c2e9a3f5bb29b03/zopevodazaxumudaxadifida.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/f4d545e847aaca2ea1ffcb30a1d8cbb8/37924990775.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/deposovidawolugadodo.pdfIn PDF document text
  • https://edcasys.com/ci/userfiles/files/32420208940.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc96eacbe1---jobivo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=parole+pour+draguer+une+fille+dans+la+rue+pdfPDF 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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