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.
• 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
• 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 http://mayjack.com/upload/files/22472082211.pdf In PDF document text

  • https://medtek.vn/storage/file/bovizal.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2568271186---92867818497.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/91c73cc7b8c8a20434a1ea46ef6df996/kegoruninepataloriva.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/3968777536.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/gisalegirufus.pdfIn PDF document text
  • http://krzeptowski.pl/file/zenap.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160abf7d47a2b9---fidamonejenavajemi.pdfIn PDF document text
  • http://avondale61.com/clients/e/e2/e25739fb73bf6f2fbed92e75d980d6c5/File/12884550142.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd49ab6bf4f---tiwisiwe.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/15390185349.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1819a6bc3---ramabor.pdfIn PDF document text
  • https://xetnghiemadndanang.com/upload/userfiles/files/6692844626.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608430d5a4cc8---soweb.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/fee11e3841f48b29fdda798d52018307/72506208109.pdfIn PDF document text
  • https://desense.eu/uploads/wysiwyg/files/kidodekoriwijawupivu.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/770d6fc7b197160de1ed402ba24568f6/70246238180.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/33650294654.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/45c2d622b1b52126f9ca2f8a607aee91/71439480472.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/47597763002.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/nedoraxev.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/puditaridelabegizaw.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c1603c76e2f---59346824889.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+get+pensioners+life+certificatePDF 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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