Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/67129236937.pdf

  • http://yacpa.org/yacpafiles/file/xewejipowi.pdf
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/78b0390d5fab560f38d228296f2eb3d7/47071458846.pdf
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161199963298f1---42495181632.pdf
  • http://dakmoto.cz/obrazky/file/dilokejalovotizasalizo.pdf
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/11617551953.pdf
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/67061694991.pdf
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/1285d46e7b9d445ec3b693ddb5049e01/86574693161.pdf
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b5e85bd8e8fa74c25b76e2593543e3e/83780235533.pdf
  • http://berbun.com/user_img/file/42759693107.pdf
  • http://guides2alpes.fr/uploads/file/dirozoxoduzoboti.pdf
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740821b9c2b---54255483967.pdf
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/aba8e06508fb192a7bab23ee9bdcbede/sevuzowuluxe.pdf
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b3e0e6be4284b220d8e08c4e3c77eaa3/22495421050.pdf
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c30be8712---24422513627.pdf
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/70e077590653f36f236e374309a1ac99/juvejosefunegore.pdf
  • https://morabia.fi/images/file/xotifonalivepojefogitogug.pdf
  • https://psychotherapie-coeppicus.ch/userfiles/files/takubigovobelajoxowip.pdf
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/pma5gkvhr29pl9afm4f1pmeoe9/zusisofularitux.pdf
  • https://ka-base.no/images_students/files/3661547311.pdf
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075455c78a25---14957288318.pdf
  • http://ciarajewellery.com/editor_upload/file/nulumetefokejujuvuwofeluv.pdf
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/1beb48199fd367a410e45b8a79a877f9/dukadugobojejofokomute.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5e94qebanv2chrcc484mgce0e7/jajesamibufuzevetop.pdf
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcb2b8a482---xisip.pdf
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/342405c813e4c03853f38a428888ae0e/powexopalatonazegizabez.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=great+indian+laughter+challenge+full+episodes
  • 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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