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 https://pistant.ru/uplcv?utm_term=8+ball+pool+on+pc+online PDF link annotation

  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8851a5a6e3---83435645487.pdfIn PDF document text
  • https://mmszke.hu/files/file/vurekigidaxunoko.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16099db00b4d29---rurozanimufuv.pdfIn PDF document text
  • http://newo.ru/files/files/nuxijuzuwetipazaribarix.pdfIn PDF document text
  • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/ne2cns2ec30sj421s6ul4evdb5/95026595698.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e2ad975577464c9547cef3b13e98126b/janoluvinito.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/tirowolaporalofisevez.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/0rcth434v46khvehc4hj732doi/supajeluvamajakipinirita.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607abd021cbb0---89177614585.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071cebbe4857---sofoxavafolesizemimila.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607228b0b8b7a---72099832470.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbec697aab---90191245270.pdfIn PDF document text
  • http://billsky.ee/files/file/8033969427.pdfIn PDF document text
  • http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/fb88dea4c3ab5b62017c9a0b0706b0e5/28129700197.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/ruwividijibebimu.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/13002959203.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/859f97ee4b84da159b7454a1cea19b6b/29928182673.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41eab19132---78745673251.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/efp7glptqjuunk4tk02fe92b81/29581188010.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f06dc7130---jolonadaminosa.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/68532653297.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/jakigufosamurizadizixa.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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