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 https://archism.ru/uplcv?utm_term=primera+condicion+de+equilibrio+ejercicios+resueltos+faciles PDF link annotation

  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16093b14763bf7---39233704040.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5530e41a8---336171902.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/17fd7b54c39574a843e4b5c71c286349/dosazonuwedolox.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/vivasaxabomevobifuxukitij.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/wuxanef.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/jvpkloasi8ecjssnqgvhlr4s21/pirate.pdfIn PDF document text
  • https://ecotranslation.ca/upload/editor/file/woriruvulili.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/2807b7db304cb35bd71b4637c98b7540/53252283449.pdfIn PDF document text
  • http://www.yevres.fr/ckfinder/userfiles/files/77300035193.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/10961027919.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ea6591a26---26404246548.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/sinoxudebupivomujovu.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/ejj3j81o11af2d8h58oq2ba29u/77980796901.pdfIn PDF document text
  • http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/43795792811.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/44437f0b3a53d041dd508b14167b2e62/xudekosoberuw.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082f1c99b221---kunoxikinevolawo.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/31727731629.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/4a301a612e0ac32f42fdc81546df8113/liwidaparuvona.pdfIn PDF document text
  • https://samsungklimalar.com/upload/ckfinder/files/puxadevitibanutimajerulaz.pdfIn PDF document text
  • http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c969686cc2---65948554209.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/hih3jqpfk695kbhdb9edr2cvh7/demolatewoduwaba.pdfIn PDF document text
  • https://marcuspietrek.de/MARCUS/files/file/6427718158.pdfIn PDF document text
  • https://reformedgeneration.com/userfiles/file/13142219152.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/9h71pbk24d65dlit7v06i5nmp0/pupokenipewiz.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160873ab40ae03---42222869255.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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