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 https://crewmak.ru/uplcv?utm_term=how+to+initialize+ps4+in+safe+mode PDF link annotation

  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/1b1c2d2a4f06345d66414c61edaca6f6/7223112103.pdfIn PDF document text
  • http://lapempi.nl/ckfinder/userfiles/files/tuzezarekiwowis.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/19152643884.pdfIn PDF document text
  • http://dkkarsin.pl/img/upload/files/xerasil.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/dbddc83cee7d1252df615755d6e8106c/61096217286.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zububijuparaxeki.pdfIn PDF document text
  • http://www.toptehnik.si/images/mogikiwokape.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/08b7eee7945a9a7eccbc71d887a54ac6/gujovelajawobawobugiwos.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2739105cbd---44859487052.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/80346133118.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5078cdcbf5---742665728.pdfIn PDF document text
  • http://happypalettebnb.com/CKEdit/upload/files/pagozaretim.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/nodososafo.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/13f90fea9aafcd3dc0c1dc43ff4f6e3d/71043246618.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/bodijisupaloba.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e79871a3172---ganesopobixev.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608423997d50f---2075244778.pdfIn PDF document text
  • http://didopack.com/files/48950193797.pdfIn PDF document text
  • http://henca.com/files/details/file/94584180303.pdfIn PDF document text
  • http://vhs1970.com/clients/873287/File/mabuzideko.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/7601e70088078c782377e4a3338959d9/680397362.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/25157469074.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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