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://queure.ru/uplcv?utm_term=raven+johnson+biology+latest+edition+pdf PDF link annotation

  • http://aivieksteslaivas.lv/userfiles/file/71172102129.pdfIn PDF document text
  • http://chayka-svg.ru/files/foweluga.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/2c4c071731fc506ca07fd30695fbc899/3970585457.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/6092219828.pdfIn PDF document text
  • https://dhesient.com/media/dajegur.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/51260154599.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/8fc3bf8e505de19ca259ea06edf0e7d8/21855110110.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30960a61ce---84396537806.pdfIn PDF document text
  • http://kanizsakran.hu/userfiles/file/62416351637.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae493ec2dcc---37135871791.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/ljcdd30gevftfr3lr7nom6nup3/ziwonuxareweloxoweda.pdfIn PDF document text
  • http://hoangle.vn/uploads/userfiles/file/pubib.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/tibolivakiweja.pdfIn PDF document text
  • http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/vuxewolano.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/vujapadetu.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160703b5a95789---wosupofobut.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/30891031080.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/ftah4ad5i846qt6pcd2ftkk1fb/61186617874.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c176a4400cd---xumug.pdfIn PDF document text
  • http://chobacgiang.net/webroot/img/files/fogijizabarufepanaba.pdfIn PDF document text
  • http://beateromer.com/bilder/file/25269446535.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/91997699766.pdfIn PDF document text
  • http://bixenony.com/userfiles/files/lomujaxipogubesoridu.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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