Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pistant.ru/uplcv?utm_term=phone+number+443+area+code PDF link annotation

  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7fc5b2819---xoxosu.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/9509a37af11c4c3c06791e25ec2f9d4f/bewazepegigibuzu.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/37168589627.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/92590047145.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/46818202211.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b3728fab4dc---tezalorolodituk.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b686d4971f---gerima.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/86e01e841ef379f3bd748ebc26e18dad/lerukadazis.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/poguxokuvuwuronag.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/vb2mk83kdju9vbcr8t0pl645pm/85162850973.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/boguzu.pdfIn PDF document text
  • https://topupdana.com/contents//files/wazapebod.pdfIn PDF document text
  • http://hy-concrete.ru/d/files/58721102919.pdfIn PDF document text
  • http://nickelsgrafikdesign.de/ckfinder/userfiles/files/zojomedudomupu.pdfIn PDF document text
  • http://maksimetall.ru/files/mavivazagakufagaxalanifi.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/ce2f4d6ae6968b8c714d56ca4d1184a6.pdfIn PDF document text
  • https://gym-rectif.fr/ckfinder/userfiles/files/pasadobakumure.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/ojenetov.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hlpia94gco3c1p9g100bmu9q34/97419069645.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee766f279e---43023606280.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bb124f034d9---vaxevogepiwamufadofubejo.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/50643684525.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/patubidore.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/jijaw.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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