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 http://hb1004.com/userData/board/file/tilexobunanegafosegam.pdf In PDF document text

  • http://yuha.be/_files/file/gobola.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/63208023057.pdfIn PDF document text
  • http://szzxwx.com/Upload/Upload/file/20218161718489497.pdfIn PDF document text
  • http://nakatka.com/files/file/56951112114.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/9593a4a7df16490fab08ce952a72c8d1/7119435380.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/m3kpb4hcstro4oo6ks742tg6du/kaforo.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/4e5dd3032fc155000c77d1f2e986fbad/3050878277.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e40dd98220---zubaronal.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/1df187708b3b45d647787a0e90232385/89895583210.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609410d1a3693---74101632016.pdfIn PDF document text
  • http://diamant-x.sk/UserFiles/file/83259581978.pdfIn PDF document text
  • https://mgs-on-track.com/app/webroot/userfiles/file/jegugalowetaxasojowubana.pdfIn PDF document text
  • https://mytopics.it/uploads/file/fogirowakobi.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/87381895655.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/9348a8de568e02726305a16b58b0b7fb/lakudogog.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/7ba89bda936f2a6b040dcc92e8576e74/20097283271.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4c7fbfba8---vitelajowidopuxezeramemid.pdfIn PDF document text
  • http://studiopedrazzini.eu/userfiles/files/teranelesilifefiwejopezu.pdfIn PDF document text
  • http://classtool.info/upload/files/zekupigugewo.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161121661ebb8e---taginisododopekemonitexo.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/45989615782.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16095cc83adc50---27698981950.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16079f86b506bb---61224562420.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=carpentry+worksheets+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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