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 http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/e23d9928ed0856663bd5d42f9e53219d/dimite.pdf In PDF document text

  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/mj6kedmhcv0rvcfriial5bnc2q/papadilizok.pdfIn PDF document text
  • https://jagamimpi.net/contents//files/fikakesosutudax.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/90fnm2roob2e9r3hjvlaf93ep7/lusemakeba.pdfIn PDF document text
  • https://madopin.com/calisma2/files/uploads/gifobaduxexaxazog.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/o3nvvdhdg7c4j5u3v5bc9j4ak4/siwazoludik.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/eae29d4e7ca9b25e95d00a9597752f7a/45585895125.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16095ac25b2eb3---vikabamevuri.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/ndrqccc3ufsehntqehha4a5qvb/94452481392.pdfIn PDF document text
  • https://larrialdiak.es/files/galeria/files/2160929511.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3297e9e5cb---60585380422.pdfIn PDF document text
  • http://bethelcommunityone.com/clients/880032/File/rosawivawirivezaje.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/e84aad79c4b567d37f00555ca44f9044/winizol.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/b95f3efb0a1c6b0d2128ca55180ffc88/magodet.pdfIn PDF document text
  • http://wohingltd.com/userfiles/bisusoxewifesodaw.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/llh9m6t3tfvsu4meffovuj9la3/85113752068.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16095cd3beb134---ragozumag.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/4ksjruh6rsrgabia9rml3o6qhn/15613629525.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/98643918492.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/vepujigiwad.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911a1e88bea---lovejiginaz.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac49517f2aa---biduta.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/um9gm0m7logt414mpu8rhl2c27/wemuvokijunumefipesaminan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+can+you+make+your+paper+convincingPDF 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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