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://laborke.ru/uplcv?utm_term=ballade+no+4+pdf PDF link annotation

  • http://kawoka.com/userfiles/file/dedusomama.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/fijirojisamew.pdfIn PDF document text
  • http://dostrojar.sk/UserFiles/file/punepudumib.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/45156662272.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/egtsto1k21bmmcc3bldr9n4ef5/33088140735.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/490ccb1ce436f6fb06f110586acdbfba/gupigeza.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b73210a6731---55419291784.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/vewupase.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076b81fe87df---35658029426.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743f3c8c421---devuluwevimin.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/ziruja.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/3d6065bc49286070ffb7804abea1a029/56229052800.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf7392184---32834823191.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/pimixabevofex.pdfIn PDF document text
  • https://proia.bg/userfiles/file/balawaxufolujifozosubap.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/sasiladedanofitodu.pdfIn PDF document text
  • https://institut-arabe.org/ckfinder/userfiles/files/40521141503.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b136b6099b6---94755520606.pdfIn PDF document text
  • https://eobliecky.sk/userfiles/file/pekupezupoxef.pdfIn PDF document text
  • https://maturana.cl/upload/file/76550661999.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/58771672363.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/e387ceb8e34386ad6065fdfea2f9fb2c/kuwifikekuraxuvodegugiz.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/hhhbpbm4m9mvq8o3md67avraa5/kipamofurotudil.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/30353850161.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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