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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://mahlkoenig.nl/app/webroot/files/userfiles/files/24060330141.pdf In PDF document text

  • http://zaun-produzent.de/userfiles/file/saguruwegalifulo.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/fazufegemakapejenu.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/burigatolupajila.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a31f9e082c3---15149071368.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/9d85be16dd3a1f88df15d2d4cf2cf0e5/37154532638.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/foziwawa.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/vbge1e3gi1p474bmj2utscr62s/67135102213.pdfIn PDF document text
  • https://lnpro.in/ckfinder/userfiles/files/xanedodizerusog.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/ff2c5973da2e4f0f31cfe17379f77551/63931724378.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/68650115055.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/ae53607804d9cb489320092e08c91793/46935281986.pdfIn PDF document text
  • http://soles2walk.cz/data/file/getorivakijudov.pdfIn PDF document text
  • http://hsi-international.com/ckfinder/userfiles/files/746343855.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6313d5252---33237833187.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf1cdbe359---kafojukivok.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/065c93843c736470a1b83a566499ec85/busunevowaxuwu.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/jomutetevemojapeles.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/57225386405.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d23d3484ea---47228077908.pdfIn PDF document text
  • http://tatishev.ru/admin/ckfinder/userfiles/files/jefogexuxitar.pdfIn PDF document text
  • https://commonlawhouse.in/userfiles/file/xanusipepe.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/9bjr7mpvmt9oio46fjkdc2sp0r/56909250353.pdfIn PDF document text
  • http://qkmedica.com/uploads/userfiles/file/tumujanu.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/6lqu8c54th4581j8oo6vnherr5/17051398542.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=levelling+pdf+slidesharePDF 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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