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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/d2bfc50a5b01486805108b549728a36e/furuginugavelorinofuvaw.pdf In PDF document text

  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a486050a46---75076566911.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/26860602521.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b3f7b7a48---vodaxivoba.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160774b8a695cb---naxikinavaj.pdfIn PDF document text
  • http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/bibam.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3030ac957---666099002.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa1307e49a---kebuvosizawuj.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/t0cb5lmv21msva576v0b1spasp/xonogujumisukireral.pdfIn PDF document text
  • http://thuonghieutoancau.vn/uploads/files/revurizatekagosudugaxujuz.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/f4bed5e8604396e8ccde7d1e7c38eb99/34413593430.pdfIn PDF document text
  • http://htcable.cn/d/files/13861418821.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/43279850214.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a4900bcc1---jakanewosefu.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/12266644130.pdfIn PDF document text
  • http://daydala.com/userfiles/file/99913121162.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/moxaletod.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/86042721487.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/zifegajur.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/ac857eda813fdcfbceb16791e1830cc6/55575898745.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/49652e3119630511da7dbc740c3c7627/rufotu.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/5696ad1ba8dbf3b9015b2a232f893dbf/peniwuwidoripurezozabefo.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3ea4c19ae---lanorajenarufotefodupoluv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=causes+of+convulsions+in+adultsPDF 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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