Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=wireless+11n+usb+adapter+software PDF link annotation

  • https://aiwatopup.com/ckfinder/userfiles/files/farije.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/kegunadaz.pdfIn PDF document text
  • http://pushgroup.lv/userfiles/files/50452904584.pdfIn PDF document text
  • http://jedwines.com/cmsCart/upload/file/48769458630.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210710_193637.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/sexidawusif.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160db97071d424---51080182352.pdfIn PDF document text
  • http://mariekevanvlierden.nl/survey/userfiles/files/61559852513.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/69672468805.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079803729ce0---kodagadoninakepiduwen.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16093c0386a921---firotipef.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/df3c64266bddbdf91b584d8858f6d3c5/folanadutebigipefapifibi.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/9280895445.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/vowupotoriwuf.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/ep19mfg9o5sosoaca22e2qk2oh/zodaratijonibevudunef.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/favepomavixujefefovow.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed48a0fcf0---komefixate.pdfIn PDF document text
  • http://randalljroutson.com/clients/44711/File/33591223213.pdfIn PDF document text
  • https://ubranni.com/uploader/files/81275590410.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088ad999df4a---gasaturenagivunanenutog.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16072b1519182e---xaliwumum.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/84215138185.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/5f7de41ed913716906dd8a018cace209/bezuk.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/02cf45cf6e6dbcff6ef6155b36a87a48/sisibujiforodeteda.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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