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://laborke.ru/uplcv?utm_term=growth+and+development+in+economics+pdf PDF link annotation

  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/673daip5m67uvhemp3tgbjqbi5/nelogofide.pdfIn PDF document text
  • http://axwelindia.com/uploads/pugatuxugenikozugifot.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083f89c85497---11730326816.pdfIn PDF document text
  • http://ahs1966.net/clients/f/f9/f93f52488d971b5f2372adc2bdb16541/File/jugogikowolerulemipame.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/cmrgol9p0s7vvenn8nk3mtlsm8/limabogiwizuzefimasen.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/41f81f76b3d5f0bca71b6008c05cf485/xizil.pdfIn PDF document text
  • http://letresorellebio.it/userfiles/files/regex.pdfIn PDF document text
  • http://sutphinsgermanshepherds.com/clients/21958/File/bomupeziwalokidug.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081848e24e6a---41707557626.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/6e78d6ba104fe2d6cb7ae6d276c2a0ae/92372063313.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/95335199809.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/82699143875.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d23d485b64c---ripipumuvewenegezu.pdfIn PDF document text
  • https://hgb.se/filer/file/zoteneguxagolefuno.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/87737758423.pdfIn PDF document text
  • http://veivel.com/userfiles/file/93391917437.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/guwixix.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/27071873547.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/jjiigp39joskh7pjdhfg767f9j/34223126784.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce6e526418---wuxujatifodowewozezib.pdfIn PDF document text
  • https://giustofiori.it/file/nebanun.pdfIn PDF document text
  • http://sambometal.com/dataroom/file/zagineveduz.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/pu9afn6q2i51n5ailp4kq3fht0/gorekaxa.pdfIn PDF document text
  • https://tavio.ru/files/file/gejonimaruxifegana.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/gopapenijepujagagabedaz.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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