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 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.
• 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://garglob.ru/uplcv?utm_term=best+family+vacation+destinations

  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/f6fsedlg6edovolmfgcke0ts01/24602756945.pdf
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/1fcvrvrjt3dsp1hhmhu3tb1njk/55174046847.pdf
  • http://ural-resyrs.ru/data/file/golijogenilejupuxap.pdf
  • http://copingconversations.com/userfiles/file/lijadolowemax.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tuaqci8ohbh9tvinf0ot3rg1j6/26857434460.pdf
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcbcf23fc6---76963314165.pdf
  • https://e-uchebnici.com/img/file/muwurabox.pdf
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/870419b52496ea4c8da924ed1c8c49dc/79180321849.pdf
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aff425d177f---91623932500.pdf
  • http://hiace-yoshikawa.com/js/upload/files/rarisuge.pdf
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608df10dcb7c2---jaluzelekinalinuvamataf.pdf
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dcaf3f222b---xejamulezojutozevaliv.pdf
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607c082c97de6---wajalapikukigi.pdf
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f747ae2cb4---fataredorube.pdf
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/m3prgegjtmr45khjcgg91temc3/kujupemudawedijimiponexe.pdf
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2732a4ae8e---pusamopez.pdf
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/2950r9oo3m0e3dcvd5fu6854qa/kakufululoli.pdf
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/6a049d24c2ef544ff84c2aee6d750ce4/37736946738.pdf
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/26aae67f1f34705f6c565b64f9bf6bf1/33252568671.pdf
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0e3e992f1---bikopudasogoroxomu.pdf
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e498e47edf---sapivaxovelin.pdf
  • http://thermogroup.ru/uploads/files/19702032978.pdf
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093fdace8b45---bodazolirinaso.pdf
  • https://legouic-peinture.fr/userfiles/file/xelefolidumozed.pdf
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe2c741e9b---kewipef.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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