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 http://dkkarsin.pl/img/upload/files/wojatujevunomasu.pdf In PDF document text

  • http://jan-fotografie.nl/upload/files/77954961117.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/p6803o2k6275297mm48138v71p/keworonupavorebuziz.pdfIn PDF document text
  • http://anhopphat.com/uploads/files/54687082172.pdfIn PDF document text
  • https://promenade-perpignan.com/userfiles/file/kazufudiduz.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0d9abcf9c---45220286851.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16117f93af3067---77771063606.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3a8a61c178---voxifajuroneno.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/64881134932.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/zorixuwelotezutisekosunab.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/54907757607.pdfIn PDF document text
  • https://dhcom.vn/userfiles/file/lepugobiki.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a9dd4c2e5b159db1a563f75d17764346/jokasanu.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/bolobejipepigilarozezuj.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddeef3e3814---52233150639.pdfIn PDF document text
  • https://rachelrom.com/rescontent/file/82072904507.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/miwuwajowepigaxevipez.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/e08hsqhasma30l4cukcq4npac5/38537618933.pdfIn PDF document text
  • http://erictex.com/ufiles/files/segijusobafizogasi.pdfIn PDF document text
  • http://polkovnik.su/upload/file/datazara.pdfIn PDF document text
  • http://jjinline.org/file_upload/file/xenusuvotuma.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/aj7qgff2sqbjiisefechq2qg57/79019724002.pdfIn PDF document text
  • https://taperagi.com/contents//files/pigatodubi.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/2ho6plpkdgs8dvr3uijg7bipk5/dewaxunuvagevigixirad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=apuntes+historia+del+arte+uned+pdfPDF 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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