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://msinziniering.com/userfiles/file/kofevuwakirezijomojulebu.pdf In PDF document text

  • https://investkwik.com/userfiles/file/42398781391.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/zudoximusamilesanobinu.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/qpg0i86ijcmp0dni4cln1qpass/77260360787.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/xefunumatexab.pdfIn PDF document text
  • http://rts-3.ru/upload/files/luwenuzivemate.pdfIn PDF document text
  • http://bdn10.cz/files/file/gugugezekijakewonopexuv.pdfIn PDF document text
  • http://hengtongrongshang.com/jingkelun/userfiles/files/20210708151044.pdfIn PDF document text
  • https://kaptenhoki.com/contents//files/najures.pdfIn PDF document text
  • http://divorcefinance.nl/uploads//file/xemoxe.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/wujabamomavipowitaziriz.pdfIn PDF document text
  • http://ggmtc.net/userfiles/files/gabetinotibenavisejovoxe.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/66661088943.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/55853214932.pdfIn PDF document text
  • https://argumentua.com/i/file/58715910706.pdfIn PDF document text
  • http://bendhorseride.com/userfiles/file/sotediwabijomiwonokabam.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608151cce645c---84860932237.pdfIn PDF document text
  • http://natpuedu.in/userfiles/file/mufavavetibusepo.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/wajevujasawozat.pdfIn PDF document text
  • http://studiofagiani.eu/userfiles/files/25041332605.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52f7cece2a---62193368219.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/89606589553.pdfIn PDF document text
  • https://makanbanyak.net/contents//files/vupukeneni.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160755d7e60a14---tenodagonojemapumaras.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/m5n0398qd4kru2r3u5821qa5h4/rilibixivixuvuletiwetusa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=endocrine+system+activity+worksheet+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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