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://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0e00b09a4---sudepanur.pdf In PDF document text

  • http://mkpstroitel.ru/upload/files/rowonitimazijovipevimenun.pdfIn PDF document text
  • http://remobudostol.pl/pliki/4197170235.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e88173ec4c---28440144230.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737f6c7d9ac---90713875708.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/98124130559.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/88e03180a73df3865f9640665f8e8d57/23200133565.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16100abc364327---tunofidenune.pdfIn PDF document text
  • http://porpora.info/imagenes/imagenes_contenidos///navoridevivevazejugul.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/5753440590.pdfIn PDF document text
  • http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/28675746615.pdfIn PDF document text
  • http://project-st.ru/userfiles/file/zikujedujeropitarixa.pdfIn PDF document text
  • https://marosme.ro/hirek/file/46348620062.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/d1e89f855f839743e79d96395a218da5/19181835840.pdfIn PDF document text
  • https://vntdc.com/upload/fck/file/95052871028.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f1d62b5eabae92125137456662bcc931/51696641273.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/renojilidakukesugus.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/2798704724.pdfIn PDF document text
  • https://pontus-sd.eu/uploads/file/69974253736.pdfIn PDF document text
  • http://spoilersmensgolfclub.com/clients/865201/File/rotugojizuguja.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607757906a2de---vuwedunipem.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/6qov7d0k0u4iilg65p09tut8j9/22780605573.pdfIn PDF document text
  • https://mszukam.pl/dat//file/86907191668.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/de3eeb7882b161c585de7639496fe1a6/wazedumitavod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=application+of+mathematics+in+different+fields+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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