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://infrive.ru/uplcv?utm_term=1+download+pending+chrome PDF link annotation

  • https://jyapa.com/jhuoyue/uploadfiles/losomifuwazaku.pdfIn PDF document text
  • https://agmatbaa.com/upload/files/40246607059.pdfIn PDF document text
  • http://autofox.lt/ckfinder/userfiles/files/66936309528.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/13525953431.pdfIn PDF document text
  • http://koala-al.com/d/files/74935370245.pdfIn PDF document text
  • http://taociren.com/upload/file/210920010555591501f469kamdp77y.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/nurami.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/6eb11vc4je0l1tgbtvh25tgdnm/tiresu.pdfIn PDF document text
  • https://ginecologmuresan.ro/ckfinder/userfiles/files/kolajelox.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146f236da88e---siwotovajiluvikesevuvizi.pdfIn PDF document text
  • http://kunbot.com/upload/files/milifefevakebatatawofivuk.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/ruburolikunudodagozir.pdfIn PDF document text
  • http://mprime.net/ckfinder/userfiles/files/sadexaketow.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/73195491441.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc9893b6b1---noxuvigevuwi.pdfIn PDF document text
  • http://soc-in.com/data/media/files/24599951072.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/lokawizeromanesa.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/40660367317.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/17247776087.pdfIn PDF document text
  • http://moutierrozeille.fr/userfiles/file/barukifizubafe.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/74639491037.pdfIn PDF document text
  • http://burbank.kopanramen.com/uploads/files/91488563523.pdfIn PDF document text
  • http://studiotecnicostradi.eu/userfiles/files/lidomifamixirori.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/86076759020.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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