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://laborke.ru/uplcv?utm_term=battlefield+v+free+ps4 PDF link annotation

  • http://ekolojikweb.net/upld/userfiles/file/56452193028.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/82796062589.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/32974425729.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec0e596a72---73087073939.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/161068ef47cc1a---81677441470.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/56572558166.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085cbd9470f0---januzex.pdfIn PDF document text
  • https://ovth.ch/userfiles/files/sedekoratemup.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4fdq62ml02ahbm6q6ueiogbdht/80109803703.pdfIn PDF document text
  • http://www.77ice.com/upload/files/72020910571.pdfIn PDF document text
  • https://buddhaart.in/userfiles/file/20627454213.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/3276944966.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/jr17tlmh8b5011c83suptramb6/nufovuzimupetevafu.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a61ac45560f---farebupolaxedokudurobolo.pdfIn PDF document text
  • http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/75793320818.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cb03c46b732---xesadilaxa.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/57e7429140e6344ed43bb0bf799c9d3a/tinixutikijotivexejufe.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e2338b7ab4---zijapazonap.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/0i7rr8e50k49p87s1ijr449obo/4167415853.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/zuxuloleseguzolefufib.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/kirefojebebawinagupukim.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/jojusemubaziduzo.pdfIn PDF document text
  • 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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