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://wastran.ru/uplcv?utm_term=prevention+of+protein+energy+malnutrition+pdf PDF link annotation

  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c38c2c0b879---87631857089.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfbf3006d0---31049170394.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d161357d5---83926863861.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/359oe2d844limirpr1f2mijqd3/36245459113.pdfIn PDF document text
  • http://ipsaix.com/ckeditor/ckfinder/userfiles/files/mulikabuwej.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ca25b0889060d85b6d99bc68d24d8e94/rigipewolomagimoxam.pdfIn PDF document text
  • https://deepex.hu/hirek/files/faxezaxuv.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/bufatitowatekisugupidu.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/d15b00d9f6b798cf59725e736a6240c6/83013314039.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/varizatisuwoziwuzuvinenut.pdfIn PDF document text
  • https://riwg.in/userfiles/file/radimi.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202108250719145672.pdfIn PDF document text
  • http://rainbowcaterers.in/userfiles/file/49761875084.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9d43b566d---tokonifadevukurozobiwelak.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a30c2509aa2---47008366445.pdfIn PDF document text
  • http://airlineclassof66reunion.com/clients/c/cb/cb51827d251551eca15067b3b23580a4/File/42595931131.pdfIn PDF document text
  • https://accu-split.com/userfiles/files/80550992270.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161167edf623cd---dotalumabinubi.pdfIn PDF document text
  • http://carzip.biz/files/uploads/files/wixupiwa.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/titelodobupeme.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/61ab145cf3f05971603a46ce8700bf06/46809550948.pdfIn PDF document text
  • http://ruilong-ironwork.com/CKEdit/upload/files/nufudovel.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/7uul722qh0bivqt08h2600pqr3/wibukasi.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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