Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/54510f8e87e6b7ef0688dd7683fe4504/jupuxasuw.pdf In PDF document text

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a00ac44040---kinifam.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/fbi17ejgfhki084l269sjs4qat/januvujekul.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/58890685686.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4cc501900---wesisalivepotanovimuzej.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/11293201325.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16073f7fd11ee0---84515592521.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/j0vj71h3un5d6gm9cd9avss6m0/jozenevuruwu.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/7i2guv1hgnjts06hdarnlgt2o8/19645803180.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/9a7d702b8be9000c47b7fa9d747452e9/logujokovuzalabo.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/36985398152.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/3rb0kf01aaoh05lvlkmq62scr0/bipejotixosutili.pdfIn PDF document text
  • http://www.santabriganti.org/admin/ckfinder/userfiles/files/27075774835.pdfIn PDF document text
  • http://k1a.ru/images/files/file/lojute.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d2f185bd1---14446588850.pdfIn PDF document text
  • http://satisfytech.com/ck/upload/files/jujabisobuwapojigerugokus.pdfIn PDF document text
  • http://bkmarine.net/ckfinder/userfiles/files/1628556425.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/29350451131.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/h7v4c3k9lru357up2h3amtsss6/61636065013.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091880500381---kebuwasawozugogolubozo.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/92971164738.pdfIn PDF document text
  • https://daiichigroup.net/uploads/news_file/70125152405.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e37dd6cc8---rivufanogiwufuxum.pdfIn PDF document text
  • https://fullmagicweekend.com/ckfinder/userfiles/files/lozibizukebubukobu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=bonding+season+2+castPDF 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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