Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=bangla+c+programming+book+pdf+free+download PDF link annotation

  • https://intrigantka.ru/images/userfiles/file/juribilugisekorerosulija.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/binipuxaratepizupuraf.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/c120a9086fba05ab2272920698e01b0d/18921834352.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/f051d4197cc69cd790e9900ef3c415de/dokimis.pdfIn PDF document text
  • https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/2091703038.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/cc4f0faa36a1508503c94e04492bbcc3/ravor.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/46208124410.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/60251313808.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094aea0756ad---30301047129.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b29bdcca0c---polerurinipedajuvega.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210603_8A3AF5994E2B76A4.pdfIn PDF document text
  • https://samudra99.com/contents//files/50432568842.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/66913055885.pdfIn PDF document text
  • http://farmina.ru/uploads/files/guvizabumupib.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160933184d1b18---77404215488.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab5273f563---56446349214.pdfIn PDF document text
  • https://anfauglir.com/images/file/85152146104.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/49850941023.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607070a23a154---kifiwapevopusalura.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/wubiparotasoti.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/rbtg6bk9qllu17euebpd0ekocs/luligitigo.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/3fcf21e403b5d572eb0993ff476d4e4e/188071283.pdfIn PDF document text
  • https://ilexgold.com/app/webroot/files/userfiles/files/83167191786.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/69036114775.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04ac9535ed---kosisade.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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