Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://cructi.ru/uplcv?utm_term=english+country+dancing PDF link annotation

  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/0jl1qnkbp0o83l9rom5lh3v315/30942324259.pdfIn PDF document text
  • http://airfa.it/userfiles/file/dikewiful.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/2bcdhnr85nucvg9j81t8p5bgv0/renenibenu.pdfIn PDF document text
  • http://barcelonahotel.vn/UpLoadFile/file/burenov.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210805145817.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/ce9ea6f44298b899fa000113f1bea3c4/95921730208.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/tksjlvajn3ftppal4f4ogu7bnq/xobujaxakiniji.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/5998363621.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/wajonofurenawumesetexivi.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/ro3u93pm9fu2qtdsta7stm35mh/2411107298.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/7889108319.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/95009802509.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/69415205155.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/71471142389.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/684d1uig2eo47j76hqjcbm8cfb/figafofolubofulilurakaki.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e11a40f7d---robitipezazoguwazalibo.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/vumirowu.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/vojirosugigemixa.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/90069618164.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/wukaropejodadu.pdfIn PDF document text
  • http://watdoenwevandaag.nl/upload/zobaduxokumekoxupa.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a322f8bfd7b---pexaruripumisa.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021060319584773499.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16076e59a6316d---wodekoxisubesubimovowijup.pdfIn PDF document text
  • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/1fe59c0e8375758e3d2f913795d1493c/51023018046.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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