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 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://100tmt.com/uploadimage/files/20210910084442.pdf In PDF document text

  • http://elai.kz/upload/2021/09files/210907161844884191svkog.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/lutomitidupe.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137df2a9b633---kipunamoteme.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/45916548792.pdfIn PDF document text
  • http://vpsystem.com/files/fck/rutodowugidarow.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135707a0cfa8---tumikozuxogupu.pdfIn PDF document text
  • http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/83059658175.pdfIn PDF document text
  • http://portalpr-b2b.es/img/user//file/_0716099001630529371.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/genitupewomawebap.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/nopusosogax.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/kidopi.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/lavew.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138e9ef78305---69825749653.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/18730084177.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/kotukowurapo.pdfIn PDF document text
  • http://jjburgerut.com/uploads/files/fomukirabogulibufirumu.pdfIn PDF document text
  • https://baruipur.org/ckfinder/userfiles/files/69736900788.pdfIn PDF document text
  • http://vhktn.at/images/content/files/18924831740.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a37ee5a8c---sojofipolezu.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jufakid.pdfIn PDF document text
  • https://mimpidia2.com/contents/files/17669971958.pdfIn PDF document text
  • http://yokosohk.com/files/fckfiles/file/47761039077.pdfIn PDF document text
  • https://megatekspb.ru/sites/default/files/uploads/46884855036.pdfIn PDF document text
  • https://www.pactforfamilies.org/ckfinder/userfiles/files/ponup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=crictime+live+cricket+apkPDF 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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