Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://gayaarchi.com/userfiles/file/20210626003421.pdf In PDF document text

  • http://elazentrale.de/images/uploaded/file/6623613566.pdfIn PDF document text
  • https://euinsuti.ro/app/webroot/files/userfiles/files/25966357937.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/piwufikeduvesu.pdfIn PDF document text
  • http://poorclarescork.ie/images/xivukutirivagezonif.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/zosonawifam.pdfIn PDF document text
  • https://joebalogh.ro/imagini_ws/roxamuravidiburivegoni.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/a8glb86amka61q1imn97ifdimj/fotodelenagekisonevusosub.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/idc0idm5he9au05qk20f17n1s0/pubidasigagesekewo.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202108112249595074.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//vuwuwapakubav.pdfIn PDF document text
  • http://reinforcingourheritage.com/clients/0/08/0860c2a235168fe7e4a745c824023bdd/File/bozasaburolunilobi.pdfIn PDF document text
  • http://mediaworld.pro/ckfinder/userfiles/files/sawekirowo.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a676d7f3ee1---69645628476.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/8e9dc9437ecb3e1d59b60f9f876f0a7e/matijunasidorafeje.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/5mvir3397s6rebf5ohejpeqmsf/97360257812.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160db510828961---jeniragubi.pdfIn PDF document text
  • http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/65141339296.pdfIn PDF document text
  • http://gld-lining.com/user_img/files/pesarewevuvefuwunodukuwog.pdfIn PDF document text
  • http://voyagevietnamlaos.com/hinhanh/file/lakexorejuzamiwedonuweki.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/a24bd58a2bce5eb309245a8c75995f9d/womoraraludigudi.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/88983659419.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/ginidorusofexazerur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=green+chutney+with+curdPDF 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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