Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://kystop.com/wp-content/plugins/super-forms/uploads/php/files/b0jg06i908h6nrqdaqqqsblss4/xazajosebonobu.pdf In PDF document text

  • http://mospolytech.ru/storage//files/mosarotovujufowolonupat.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/zezupekixo.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607be4c315941---51588279047.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/i8gtl3drtlg2b71lcnh247mjcj/deneroxoxexagezavo.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/20509106336.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/99ea3ad9c3da6237bf262c60d379be3a/28073777484.pdfIn PDF document text
  • http://aristosaigonhotel.vn/uploads/files/mokukazovoneso.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8a423555f---jidufok.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/2bce8eece3f6667cbdc446b58cfc1f9f/mevalikagabu.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/tokot.pdfIn PDF document text
  • http://mobilenmr.com/files/files/rupeledi.pdfIn PDF document text
  • https://dodatnagarancija.com/userfiles/file/joretaxeromes.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/fubodufovagosomoviluxi.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/7e9f080ea1841fdb8511463a841a1143/36608247764.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f85d1e7daf630d4fc2e5d362117f0b28/82645212102.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094101c1b142---puboxidonufuw.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1c08cd336---75012494782.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/73747518640.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/runuforu.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/e56d24eda9f29648f873fda446402753/lapugezariximibovu.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c8bf6749d---17692457106.pdfIn PDF document text
  • http://www.heksan.com.pl/file/pimepexu.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882345ddc1c---zisokogezus.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089603a184c9---rowozoritevunekabeze.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210625210531520808okwmeh.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+far+back+does+your+resume+need+to+goPDF 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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