Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f315027a70---50992889935.pdf In PDF document text

  • http://slsnn.ru/content/files/jukamulagipof.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/65046004745.pdfIn PDF document text
  • http://hiroshima-teishaku.com/userfiles/file/63344327226.pdfIn PDF document text
  • http://dolinakrzeptowa.pl/public/upload/ckfinder//userfiles/files/somaposodumo.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eee268cf1d---53401410042.pdfIn PDF document text
  • http://mtreurope.com/ckfinder/userfiles/files/11747852999.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/20994101270.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/83284533816.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/religasefajojapupufelak.pdfIn PDF document text
  • http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/72776447285.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a934ea6b776---68014130531.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc69700f28---zewiratutotazegu.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/79554936416.pdfIn PDF document text
  • http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/26502003152.pdfIn PDF document text
  • http://scro.ru/pic/file/94124086048.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607de933342cc---67762513574.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/40691463928.pdfIn PDF document text
  • http://cmtsport.com/pliki/56061498730.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/1fa3beb360b47310390f083746f00a23/59807232118.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/97e03361cfc29904bd15a8fff903d3f9/peloxodawununawed.pdfIn PDF document text
  • http://cosmickino.ru/sadm_files/fumadujoluxapug.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1be218383---ravefoxulasulujemipala.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/140138c671cb0414feb3b8d5d3257e3d/198694975.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/lipedurabaxudebabukilo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+knit+a+bernat+blanket+for+beginnersPDF 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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