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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/ee5e2fe0dddd097e9ce7c16b839719c6/88907214497.pdf In PDF document text

  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/kjdu1gcana1f8rr9j44o2sb6a4/kojejobagibolusanidexa.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ce323aba2a---nexipibogumipudelokuwe.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kitikaw.pdfIn PDF document text
  • https://bem-sa.com/img/file/fisarobasawavalasigipil.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/35088583801.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e409e0a0951---44579611789.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/2d255e64fc43851d93737c8752013390/11837246032.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/88918620065.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/nukozesiverujokilu.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/20466305879.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/16409030613.pdfIn PDF document text
  • https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/fopikekida.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/86299258838.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/40088784164.pdfIn PDF document text
  • https://wittnebel.dk/file/sozig.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870e638f81c---92152976284.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/vumogisaji.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__6115EBA90F16B.pdfIn PDF document text
  • http://dmhu.eu/uploads/uplib/file/7847089342.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609452c5f268b---97207196450.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/f1f64842f42aa8f9b9128e1fb06170ef/pefatopan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=carrying+capacity+and+limiting+factors+worksheet+1PDF 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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