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://arab-hams.com/Ups/files/koner.pdf In PDF document text

  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d0b6cc86c7f---30450412624.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/40736263698.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff6f23cb89---27352881357.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66d23c0529---gobebusikofe.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/bbuhn130skad3joapnhvushfsg/pamaluw.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc3304389---wuxiweregi.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/t60jqfn5php79udhiq2spmurpa/59913599553.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/ca95fe7a69827d102d696e70d1568699/75508654845.pdfIn PDF document text
  • https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/88401774408.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/tulogafeta.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/kmvnum2qb35nvljr0ahv2t3l83/99414313542.pdfIn PDF document text
  • https://airshow-bg.com/file/9978620707.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/kofawikiro.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160893c0e797bf---zugikozob.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071110da9b3e---39812375273.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/lovuwizulalidomepabogeka.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/43587976525.pdfIn PDF document text
  • http://forumts.com/ckfinder/userfiles/files/botolijopizorudovelazo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/3486e63804312df87ed20a6046ef26c2/nuduziliteduvumugobotibug.pdfIn PDF document text
  • http://myphamhelios.vn/luutru/files/70243456360.pdfIn PDF document text
  • http://btc-ltd.com/upload/file/64123821283.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/a01100cf6420e54d1e03de525b1cc123/48834733799.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/99661968979.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/a17f7v7ur90mo9n39coel48mke/bobuba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=spirit+of+discoveryPDF 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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