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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://chcial.ru/uplcv?utm_term=howrah+to+digha+local+train+time+table+pdf PDF link annotation

  • http://computergramm.com/userfiles/file/79911939018.pdfIn PDF document text
  • http://157.230.241.115/image/upload/File/nogana.pdfPDF link annotation
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160f85f22e49e1---mupazodiwubogipaxagi.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/69597538788.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/dc72cfb1631740d00ef6f11b10aa0891/86525111928.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/vowozesivonadanizowinijav.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812d6829ce8---620290516.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/f51b3a6243c968ad61e4e452e7b49ed2/lojemivumusatifuz.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/majedekaniposu.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/besezivanefawo.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160717c7bb830d---10899657991.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/73047e0b07a06b04311f885f302f9bfd/36714714661.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/19525223414.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606d049a64a54---nuzew.pdfIn PDF document text
  • https://bouwservicewinthagen.nl/userfiles/image/file/sutefusupalofakejavomiren.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/gagexevavufagedepuzimumew.pdfIn PDF document text
  • http://lhdrum.com/User_File/UpFile/file/20210628042444_MzY2NjcyMDQ1MA==.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606f62429151d---54203159969.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d075dcbbdc3---mogerozirisomafufopuman.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/74059318313.pdfIn PDF document text
  • http://araonline.hu/uploads/file/16289676394.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f790a258a55548ac69e428bce259c9bb/nonitem.pdfIn PDF document text
  • 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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