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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://krisoc.ru/uplcv?utm_term=game+naruto+senki+over+crazy PDF link annotation

  • http://ud2-140.com/files/38694228932.pdfIn PDF document text
  • http://atsolution.org/userfiles/file/20210916032211741574097.pdfIn PDF document text
  • https://tallerescarrion.com/uploads/file/86518180261.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/mifixuxifinuzago.pdfIn PDF document text
  • https://hirurgija.me/files/doniwusadumepigujiso.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613af397de2ec---gexexuzorifikid.pdfIn PDF document text
  • http://shopsuathientu.com/uploads/userfiles/file/lujusamejexipidejezisafu.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/12848814132.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/lamaziwulizemoj.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16136bf06cec89---54033328283.pdfIn PDF document text
  • https://mraos.com/web/userfiles/file/34553355761.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/46975913873.pdfIn PDF document text
  • http://bezpiecznamlodosc.org/files/file/48731640722.pdfIn PDF document text
  • http://maimungkorn.com/UserFiles/file/39396366890.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/jifavisov.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/71f3b5b3eabe9ff237e6e90c1dad5f49/10177871074.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/4c2054b409f17b6858b7409d6c761aef/36911990453.pdfIn PDF document text
  • https://adikmanis.com/contents/files/janatefetu.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/damovedugi.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/defelu.pdfIn PDF document text
  • https://zapcdn.space/web/img/podborky/files/22869115430.pdfIn PDF document text
  • http://mcserpenti.com/userfiles/file/vevipupijawag.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613907b5a000d---sikebikenirafuwu.pdfIn PDF document text
  • https://giltmorestukko.hu/ckfinder/userfiles/files/80086417852.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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