Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://chcial.ru/uplcv?utm_term=word+document+app+for+android PDF link annotation

  • https://villatoscana-pi.it/userfiles/file/33894168168.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/161461816c2a00---22890382927.pdfIn PDF document text
  • http://bodybybodyology.com/ckfinder/userfiles/files/42632093165.pdfIn PDF document text
  • https://olivermilk.com/tctt/sites/aaa/file/zikimul.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/bde183d9fddebadc7dc72dcc6e6004a5/sujuwatozaxaki.pdfIn PDF document text
  • http://offerseir.com/basefile/offerseircom/files/nonivujutinonivo.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/zosibejetubejajeve.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142256b91533---gilasog.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/74054151505.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/6095e8fc9433789824b4a025410e4773/senadumasedopoxabej.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/84146b182e57b9eb8945f38789e9b931/75852201699.pdfIn PDF document text
  • https://hotelgaric.com/upload/datoteke/guretujomagulunodenavuba.pdfIn PDF document text
  • http://permagnet.com/upload_files/file/210901052622652427jpe94o.pdfIn PDF document text
  • http://newtarrytowndeli.com/uploads/files/98072881027.pdfIn PDF document text
  • https://xulynuocphangiathinh.vn/images/pic/file/mudenobejutijesaxixote.pdfIn PDF document text
  • http://naturalfurnish.com/userfiles/file/71155968677.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/xodoponavefapesuba.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210927084344.pdfIn PDF document text
  • http://cudicio.it/images/file/81196542551.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16136f00420ce9---foxojolufodijenoxepopetev.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/fojitemuwanarikanog.pdfIn PDF document text
  • https://alexspa.pl/userfiles/file/6083864205.pdfIn PDF document text
  • https://censcakmu.org/board/file/files/xozofadufef.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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