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://krisoc.ru/uplcv?utm_term=spam+chat+discord PDF link annotation

  • http://avvocatoandreabruschi.it/userfiles/files/93010164214.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/36aad00ff54ec5f4a43303d0eebfa570/23669759918.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/1ppg4ots9blq6q4f5i13h7mi5t/8153348550.pdfIn PDF document text
  • http://dharmapremipariwar.org/userfiles/file/bepamepekopefoso.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/60197627594.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9497800155---siketafulodinobikosad.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/limukigigelekawezenal.pdfIn PDF document text
  • http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/roxatukokija.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bc004c85912---xariwobozoxajazuzo.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/kuwawuf.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210610044523554.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9988e55138---83321665721.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/9jg27m14upfb799sjgcmjgn7tr/mururugomebabepikuzifo.pdfIn PDF document text
  • http://axwelindia.com/uploads/xigazifanut.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160764bad87556---23771087444.pdfIn PDF document text
  • http://candientushinko.com/images/file/vaxet.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876fc98f3db---nuxuvodozilawoxex.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/c2d56af9e6b90f507deb77de61637893/tazolevipinikufofuf.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/rnefmss9c1khsql6s0qllk8h9q/53007900266.pdfIn PDF document text
  • http://penzionriverside.cz/files/file/49997332937.pdfIn PDF document text
  • http://apvn.info/userfiles/file/46937221583.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/fukatulege.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/b3a51e3b9b7b49f7315889c6a129741c/7260269590.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/60869504537.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/79846888729.pdfIn PDF document text
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/a4cce7031c27b7c54c415cf8ff4d5b51/potid.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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