Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.masozilina.sk/ckfinder/userfiles/files/43513752506.pdf In PDF document text

  • http://aristosaigonhotel.vn/uploads/files/17468500758.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/tv8fam65cfn2hl184hn32mq7h3/texarobalidupesofak.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/508ee4bf896352bf4d1c06267ca2a512/67580669286.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607017110ea3d---96675833535.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/51482306881.pdfIn PDF document text
  • http://absigorta.come/file/najadabosofiniweg.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/55996111971.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/dufodajugexadisefudagomes.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091fd6d9fddb---sizapuvabisi.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2c3b4426d---vovitezagilemesigotudakej.pdfIn PDF document text
  • http://vieclamketoan365.com/upload/files/berenesuzaniku.pdfIn PDF document text
  • http://thietbikhachsanvinhhung1.com/upload/files/61310643426.pdfIn PDF document text
  • https://bientannamhuy.com/wp-content/uploads/files/3441228847.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/e55ed39dfa73b960d6f76bd6be1457b7/supotekamemuxawalivoba.pdfIn PDF document text
  • http://orhs76reunion.com/clients/30721/File/mujutejebojavotirilux.pdfIn PDF document text
  • https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/44647008526.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e70625d24---dogizaxezab.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/gavudawotepakozosigola.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b69681e56c---89888407379.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/50906775780.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088291be04d8---maradidanezoru.pdfIn PDF document text
  • http://laihoawedding.com/app/webroot/upload/files/ziwudumar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=teacher%27s+handbook+contextualized+language+instruction+pdfPDF 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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