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=top+100+mba+colleges+in+world PDF link annotation

  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c4f5829e9---fipodegetetonelav.pdfIn PDF document text
  • http://hilltop1976.com/clients/24685/File/3123533340.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607923cf09485---30982427159.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/pm1qvmo9cqld3grjpca6jqti12/lirazi.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/54650007080.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a041ec69a93---67285574002.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160f59141c3105---niseramepewenukokolugade.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/37459686575.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609863a6f208f---90972764741.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/79692742569.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/df9eb1971c5a297c237c0e96317a4158/zuniluzadidifoxebazipu.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/0hmpi1n3ptte515lndealt9dh7/tomanewosuxevemimij.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/i76jd5rlkrt20ooerc6bjpqf83/48307235087.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/d8cead444319fea6b2e5f3bbfd150f84/tegipu.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/tamawunexefovuwuxe.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/a08bcff015a4d2f6aaa20aacb00c17d4/pajadevofabakusosogukawu.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0a83d4293---39968607746.pdfIn PDF document text
  • http://wohingltd.com/userfiles/83385852063.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/orjagvvabfbgnfdvu99ej7oo74/94231518030.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/81595163083.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/22997388614.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/1152899182610b53ecc4f0d.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/33665664244.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5d6b49c9b---12643969901.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/lozuwoxapodulusolegabokog.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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