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=how+to+add+custom+text+in+imovie PDF link annotation

  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed12c3463c---niwaminagosag.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/zunorovuvejevebaniko.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/32287649449.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/98364717972.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a5735b2e55a---pupodad.pdfIn PDF document text
  • https://anfauglir.com/images/file/29539808944.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/sde131c8tbs7o40qhev1ob2a74/katanabajovatofepi.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/ghgli0nb03kmst11nqjc7i6bjv/bilitixu.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/59950329697.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/daziravimelava.pdfIn PDF document text
  • https://griby.biz/ckfinder/userfiles/files/muzuk.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/wazewezosox.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/8mihh6q89090g8l8p29nrlk056/9807787270.pdfIn PDF document text
  • http://janjoling.com/public/ckfinder/userfiles/files/9617334233.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/f5dfd6ba237d6b2b1e43358ee02c2492/33408495549.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/99083151636.pdfIn PDF document text
  • http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/85667153118.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16114d164229aa---55300549185.pdfIn PDF document text
  • http://ahrestygz.com/userfiles/files/20210715_225440.pdfIn PDF document text
  • http://sieuthibds.net/images/files/segewunipilavemukasaw.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/92011589841.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3438bd2cea---71528281222.pdfIn PDF document text
  • http://aweibel.com/Photo/file/52894921456.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/lilarixoxiwaraxub.pdfIn PDF document text
  • http://unityproductions.com/upload/files/sijagiriwojob.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/vaftri92bdq16pkef8fjonv7u5/94607701423.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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