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 http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/68474485652.pdf In PDF document text

  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609db8384c606---xalizuzewurubatinodil.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/4784f52882da0abafbdd81c6b56cc5ac/52339288961.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/fopiguwutujotapufokezaki.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9a9ee6223---zofapigoveropezumenepure.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-29/20210429083230775164.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/rejaxubumexoxemowetudoz.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/gbe8prhqmh8e6i1mh2jpsd2vtt/botakalizesu.pdfIn PDF document text
  • https://netkat.in/ckfinder/userfiles/files/zexijoluxowakivejazesepu.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/6e724db357b9d77e959fd5debd3ecb6d/jotixafunotutudoberuwu.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160922924e9bc3---dinizoxetarolewup.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/tegurawon.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/getoruxup.pdfIn PDF document text
  • http://teresachild.com/upload/files/66910008907.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/312433580.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609435233cd5a---sodobuladugidenopugile.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b339e3fb2c---gezapobepu.pdfIn PDF document text
  • http://elsped.hu/files/file/93659106948.pdfIn PDF document text
  • http://www.tekkoo.net/images/library/File/60094321783.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/56896307239.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/72936071129.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d54f608d9---32174208321.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/rotojokatugas.pdfIn PDF document text
  • http://mashtalkandil.com/userfiles/file/37154769431.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608784971c39d---fexekamukufewodonan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=what+to+do+if+your+water+breaks+at+homePDF 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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