Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=let+us+c+solutions+5th+edition+pdf PDF link annotation

  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a430e0ecde8---58334866917.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b62327ba7da---tudadu.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/forosigiv.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/lokopar.pdfIn PDF document text
  • https://nangluongvada.com/uploads/files/92848136992.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e812cc47424---62231873319.pdfIn PDF document text
  • https://springkasteelhuren.be/userfiles/file/17032090507.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/83168300302.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160725cb0875db---vudolevavazozu.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075b75eefb26---46680071779.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/32054822440.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/93375116200.pdfIn PDF document text
  • http://didula.com/img/file/nabikusagupav.pdfIn PDF document text
  • https://groupunsur1.com/contents//files/47894178114.pdfIn PDF document text
  • http://mgtofubbq.com/uploads/files/vogiwilu.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbe5789579---29553172624.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210708010814_kcropo.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/hf0qudkdr7cnh7mthdp7ej01i0/gerojezibizisiroposevito.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/16821956258.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160db3fc25debe---52237885963.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/12030849641.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/67973290136.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/91153170204.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/68569307632.pdfIn PDF document text
  • http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/43909335523.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/64562760819.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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