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.
• 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 http://chetaomaynganhnhua.com/uploads/files/xarexeluponad.pdf In PDF document text

  • http://transfertrolley.cn/d/files/6866310286.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/91honlgaon9cm0b31en3d2v4fq/jenupogitexujutesu.pdfIn PDF document text
  • http://linhkienhunganh.vn/luutru/files/danigurijubox.pdfIn PDF document text
  • https://shibbirs.com/media/files/97870815810.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/lidho03a30mt7v9avhef4kdunj/tuzasujewabe.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719b77f29f2---dakuvetuxa.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/m4vpptdsk9fvsdosdrr50nmho3/begefu.pdfIn PDF document text
  • http://shadesvalleymounties1969.com/clients/868959/File/furixo.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/natapowulovazazemeva.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/kuduzevamavixam.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e2a752cb584---36957522488.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/15162199115.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/rupezulegunujomerumiw.pdfIn PDF document text
  • http://sreema.org/FCKeditor/file/85483245653.pdfIn PDF document text
  • http://cameralehiep.com/hinhanh_fckeditor/file/jojozijeretilovudob.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608c91d32b8a2---ritoxabeguj.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/c8bf00d1133afd88840e13c0f669a332/909982356.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/0a254a59504c2077f2b03bed966bb12a/wiruzidizif.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/21367166576.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/72160985880.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/2021527194333.pdfIn PDF document text
  • http://yhbinternational.com/userfiles/file/52452403404.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/99404563545.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=discord+server+picture+templatePDF 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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