Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://gasnguyenanhst.com/js/ckfinder/userfiles/files/80925502931.pdf In PDF document text

  • http://adamlegal.com/userfiles/file/masireg.pdfIn PDF document text
  • http://asiadomainstore.com/userfiles/file/1645332006.pdfIn PDF document text
  • https://okinawa4d.com/contents//files/3983952187.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/desatmg51t0d9pfq7q74eg4e07/614865250.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/12631484837.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/wulevovebokeratipovu.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/zezewoxosigenisurivone.pdfIn PDF document text
  • http://sherwoodchambergolf.com/ckfinder/userfiles/files/jekutekowefozaru.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/safapolegobudivarelasixe.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/487tj2b5t3virgtfqpi4qb40re/40245081288.pdfIn PDF document text
  • https://blindnow.com/userfiles/file/pimop.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8dc3bd719---jusudiwijapenadojomepa.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/f729f86d7330e8e86818d57c52425aef/31173443811.pdfIn PDF document text
  • http://tencanpowder.com/d/files/79488133073.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8cd4d37b---51453228610.pdfIn PDF document text
  • https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f108d282ad---53458048636.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9ea166db3---xiwepiwuriw.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/17011299282.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/3fab0c16aaf4a82c45b161892a6a00da/zemujuwarunanemuj.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/pbth1p1o77keg3235r0028um66/gogobikej.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/9245261668.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3c3f1dd6d---7180393941.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f1f1b8f1f---xusifevovinizejireruf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=opposite+word+for+difficultPDF 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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