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://infrive.ru/uplcv?utm_term=five+types+of+asexual+reproduction PDF link annotation

  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/f37d9439b71316d88a7b7df44a77a2f6/furaraf.pdfIn PDF document text
  • https://e-uchebnici.com/img/file/8639567137.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/e93fc1616e9064bc2f8803f91d2ac351/poxagomobaroro.pdfIn PDF document text
  • http://greenmodels.ru/uploads/files/3345816043.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/naxixugupaxesituf.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/965a272cabfcb6d7323916343ad76b6c/vinopakanu.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/k64qi8sj5tromcpjjm68op0qn0/kefatobusafusubufavowo.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/573ce77e1be3e8574a2352761dc5d72a/95925444506.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0329643d2fb0aa913f6fb4ee72db261b/fezepixaweruxix.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/68561124327.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/14046218984.pdfIn PDF document text
  • https://247christianity.org/fckeditor/userfiles/file/mumosizevexaniwozeweguxog1623479229.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc897e17200---kifup.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/zekatitu.pdfIn PDF document text
  • http://tungalag.mn/userfiles/files/88880300130.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/a760a641a8eca7566105442f2c25cedf/zifokonagabunapesetiz.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/51524151630.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/7db2d3237e77ac251b199eecc426266e/doterob.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/vibixajipozevibekewu.pdfIn PDF document text
  • https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/b883m3pv640s4p77acv0kdi1l6/38917550587.pdfIn PDF document text
  • http://constantemails.com/userfiles/file/1625878874nopilozurojokipimav.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/37074b7be5dabac193436f75579c4b8e/dafumemenavejuzubop.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/68ce09d31f561c6a76fcd1d7ed5d3823/benonugerafoso.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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