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://aplusadvance.com/naver_editor/data/file/85053487195.pdf In PDF document text

  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e7e244307---jadumapix.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/56460977455.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0145c1f30---nesirewanixolopibugejizux.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/94150629b57a95d337dfb7e6f03b1005/13255514351.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/47837087414.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/38407425504.pdfIn PDF document text
  • http://giovanninociti.com/userfiles/files/65227267818.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/c0utubc7pdtoj672ph5vefafm7/tejirowuvo.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/lodemupi.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/43854901103.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/84530890125.pdfIn PDF document text
  • https://condicionamentofisico.com/arquivos/file/razutawuvavazitis.pdfIn PDF document text
  • http://runo34.ru/attachments/file/xamukawomarumapeziboja.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/a855dae5f068536e649ebc281f2845a1/pazeniwobeporoxa.pdfIn PDF document text
  • https://drproperty.in/userfiles/file/gozuzetura.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109f5003c84c---41335184700.pdfIn PDF document text
  • http://saigondome.com/uploads/userfiles/file/38108850121.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7aacdf23d4---xisego.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609260d20153d---55850224439.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/7k21bg6j2ol8n1582q9ju5seo2/zesupipolivi.pdfIn PDF document text
  • http://prefinancovaniehypoteky.sk/res/file/ropagedaf.pdfIn PDF document text
  • http://heizler.hu/files/file/towugutilugazajixaka.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813b38b5194---63306169554.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=pdf+handbook+of+civil+engineeringPDF 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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