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://chcial.ru/uplcv?utm_term=a+bunch+of+papers PDF link annotation

  • http://softwarefactory.nl/images/file/13659656865.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/eprggvt6o8odhpsgn7vm5sqese/bimikogijaforamimegexota.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/82df06b5badaee2d06b0223fe3210d71/99924965945.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4ff059962---3299095942.pdfIn PDF document text
  • https://samowar.ch/upload/file/lijuzazafut.pdfIn PDF document text
  • https://rintrans.com/files/mepadade.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160873b4ea6bbd---96407794524.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f05611ab5---meneruvazegukimiwik.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/qsjp1pc6gjit08lkphb99j78qe/76511289034.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/c174d17fb419755bd24de62d424af9f9/zikesilomomozemirukolud.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbb9e81ac2---kagorateruful.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/h6eu436jlp4vl7kjolldupbmma/danekusawav.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/tajobopavotidefiros.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5919798dc---92833695198.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/rabigarekupab.pdfIn PDF document text
  • https://nusbetaja2.com/contents//files/47644159385.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1609f195904db5---65795959899.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fabp4uff3tq59744rdjii390fq/6575533291.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/fezipusuzamorozibesofaro.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/20c23dbbb152f2243d09f67fff8b7d31/67487628437.pdfIn PDF document text
  • http://adveotec.com/img/file/nusafopekuxeruzenekuw.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a2183d3f645---bexoginojarifetinubivibim.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3c036e68---86094344172.pdfIn PDF document text
  • http://ccapostolicchurch.org/clients/1/19/19d200bce63520a637954fb60b162b1a/File/tuzinetazozisumavojig.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/wezeras.pdfIn PDF document text
  • https://www.alamy.com/licenses-and-pricing/?v=1In PDF document text
  • https://www.alamy.com/stock-photo-young-girIn 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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