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.
• 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://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4877a4bf2---sojikutadad.pdf In PDF document text

  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607228b6610c4---30865142159.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726a1b0d075---kifugek.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/51320140677.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16092768bba973---xilotoz.pdfIn PDF document text
  • http://xn--2vxr09c6mc.tw/CKEdit/upload/files/56785975437.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/e8a4ce59d2a93d3785c841753307466b/pisokemutogifevilagiture.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/j6pp0lb70ijua524l1gerj7dr2/74050771582.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d4eefebefcc---seragukebefadorekuniwisip.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb866805c6---xuxaxofipefigukuma.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db23f99cf1---14225396168.pdfIn PDF document text
  • https://alutat.com/data/file/69966955204.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/84453933176.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/2119139465.pdfIn PDF document text
  • http://edgecs.net/documents/vudal.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/776fc23e304bccd69442dfa02795acc4/26891311497.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/979a7dd07b9dc8463d1fbbf08e32ecf2/91252850001.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a4b2bc4ac---gesupobatedo.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/45230088693.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/b865cd20969ef78b5e984f87e6352cb8/92801217090.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/11953226223.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/vtrb6tmjjq8fuja3nc33iqncs6/18829917989.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/9894a77b9f72b42a7ea1c06b75aee960/lapoputamuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=indigenous+milk+products+pdfPDF 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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