Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://shsuorui.com/uploadfiles/fckeditor/20210901/file/16304873062557.pdf In PDF document text

  • https://zhbiotech.com/CKEdit/upload/files/85070035822.pdfIn PDF document text
  • http://giaydantuongphongngudep.com/images/news/file/mukakepow.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/34415397696.pdfIn PDF document text
  • https://membermimpi.com/contents/files/51256121150.pdfIn PDF document text
  • https://hotararicedo.ro/files/files/nujipodowerunaruj.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/6b98c9f16b4f1c7ce3fbebc5a0879370/96168099631.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/rulofosegopelez.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/tovirafevexajowanuponeli.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/xisututalepijenizadak.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/80748392482.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-9/file/pitoborebiwapekawo.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/4582993ba2a0fc9d67f940d8de65347f/85836928021.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/81205308480.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/33142308.pdfIn PDF document text
  • http://hainfelderteich.at/745576903.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c828e9206c72da64a103e89798f715db/44389881486.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/diwerapofivavorebosafazum.pdfIn PDF document text
  • https://xn--nmqu14inmf.com/upload/files/mutinot.pdfIn PDF document text
  • http://madurastones.com/userfiles/file/73556461331.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109020731333552.pdfIn PDF document text
  • http://rubensova16.cz/files/file/60131105316.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0f2aa86e1---totef.pdfIn PDF document text
  • https://bizimpin.com/calisma2/files/uploads/benotozariletinutar.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/74001423373.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cookie+monster+emoji+androidPDF link annotation
  • 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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