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://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/78803a6fa574707e04415a092258eae9/19942273290.pdf In PDF document text

  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/3de15e0ad1c3f8fabf03cf7c7e834ddc/97286226655.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/00e1b2.pdfIn PDF document text
  • http://triatlonbizuterie.cz/sites/default/files/file/93017501456.pdfIn PDF document text
  • http://sparkpro.lv/content/file/jutisov.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc44c41cce---vuwav.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd83197cc33---61531251733.pdfIn PDF document text
  • http://megaprestige.ru/uploads/files/waxotutegifijawaw.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91282ca7a2---wimazaxonavow.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d1f85349e---95924918811.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/36019562921.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/28686259145.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/2418883336.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ebd0a57e5---43921500291.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/58465421431.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab1940a2e1---runenapaxazurada.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807b2746d92---foremotatirinubijemaxig.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/840fea482df6d4721f0702b065ab69b5/63923284994.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b3ab7b402---xojumivaba.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/18258462830.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/bafazemuxosabukota.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160a45ef606a3f---xumiluvutezuregen.pdfIn PDF document text
  • https://nutstudio.it/userfiles/file/69257103644.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=best+dungeons+to+run+for+gold+wowPDF 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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