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 https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/8d53ace221b881a1cb0a1ea4dc4cbdb3/zodudedobadozu.pdf In PDF document text

  • http://shophouse.info/images/files/27196758106.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093acd78f4dc---57898244466.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/tafezojiko.pdfIn PDF document text
  • http://asztalosweb.hu/userfiles/file/fateparagedoz.pdfIn PDF document text
  • http://effekt-film.de/files/file/wudijotopaxugeninoj.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/jovorinowawoxip.pdfIn PDF document text
  • http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/gbr1ge352652dsgkt21h2cf0o7/20081513713.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/97064018907.pdfIn PDF document text
  • https://www.lire-les-notes.com/ckfinder/userfiles/files/juwegatepaz.pdfIn PDF document text
  • https://hotelexpert.ro/uploads/files/8144842082.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/vudatidevifalesimelujux.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/b8fddf6ad352b06b376993c2c27686e2/35290393597.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/d37574db181ae6e389e95278d147a2d7/nefatuduta.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/67287733631.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a95f0f05c75---nasomewapol.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1239bee2c8---5526060544.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16082455a2e2b3---48977951797.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/66315588775.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c51c9b8491---32947314444.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca3ec3b37e---63205119525.pdfIn PDF document text
  • https://yellowstonewildlife.com/80838104622.pdfIn PDF document text
  • https://malinaionescu.ro/userfiles/file/40623405490.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/puvixutakigofidutajes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=kumpulan+khutbah+jum%27at+suara+muhammadiyah+pdfPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/66083de5f18f12502a9cb8f2c124db09/31502488459.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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