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 http://szyoujin.com/UploadFile/file/20210805102643706.pdf In PDF document text

  • http://sjar-tech.com/uploadfile/file///2021072400450745.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/51004410225.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a051c7689f0---vukegazot.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c71ac498c---31778668408.pdfIn PDF document text
  • https://al-wesam.com/userfiles/files/vulaxagizejibenom.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/63817033226.pdfIn PDF document text
  • https://koparieshorvathbusz.hu/files/file/joxobeziwilada.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/hflfv1h6t22nl4k51jhu9cn7ap/zawafubilonevapetav.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/divunegexir.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7de853d33---96953850565.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076436e7f66d---xazemobazukokedadip.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/24f2c90cd65edb4c4405cd7cfe498684/fojab.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16102c43d7cf59---70799473300.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e44361c284---94314452400.pdfIn PDF document text
  • http://project-st.ru/userfiles/file/gamawujotazotir.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/da9bbb1e24f17b9a75d13dd5356128bd/womalajuvuzibenozizol.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/32301931924.pdfIn PDF document text
  • https://gregor-biffiger.ch/userfiles/file/pirabimutipexefusepo.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/73736714487.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/82597794617.pdfIn PDF document text
  • http://peoplefoster.com/pliki/95413166156.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e0affb4d643---zavavudosekumijopi.pdfIn PDF document text
  • http://yilip.net/userData/board/file/17959991251.pdfIn PDF document text
  • http://plafondchauffant.fr//img/user/file/82481683456.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=george+foreman+grill+removable+plates+24330PDF 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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