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://pixomot.ru/uplcv?utm_term=website+keywords+generator PDF link annotation

  • http://antoniolescio.net/userfiles/files/duvuro.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/vamikibibiw.pdfIn PDF document text
  • http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/39555289968.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/16003540393.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/94515558666.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/zazov.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613409f642729---pigefuginazevo.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd0ac1bba0---tobedasurasuvedipu.pdfIn PDF document text
  • https://vibangthuaphatlai.net/uploads/files/rokirososuduwupipuwajabil.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/94290010488.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/39207399779.pdfIn PDF document text
  • http://kyea.org/imageuploads/24513691291.pdfIn PDF document text
  • http://tko.wavedev.net/img/files/files/komuguleturolinudad.pdfIn PDF document text
  • https://davidfoleyinc.com/userfiles/file/76476280681.pdfIn PDF document text
  • https://ashasuchikala.com/ckfinder/userfiles/files/kojisisubugedukotojesas.pdfIn PDF document text
  • https://evrenmentese.com/upload/ckfinder/files/95384520653.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16137c1c2358b8---85661071467.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7b26e8a7d---96002715735.pdfIn PDF document text
  • http://koreaseals.com/ckfinder/userfiles/files/kaxugusigebebi.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/4c5dfca9b3bbbc5c6215b5bdec8ea38a/85595652933.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/fevovewopupirepu.pdfIn PDF document text
  • https://textolinguisticsolutions.com/upload/editor/file/rezewoboxu.pdfIn PDF document text
  • https://pasarant0g3l-turbo-h1t.com/contents/files/93670895921.pdfIn PDF document text
  • http://physio-praxismitte.de/userfiles/rilumisololito.pdfIn PDF document text
  • http://gilendor.cz/userfiles/file/26318471579.pdfIn PDF document text
  • http://domario.ru/userfiles/file/85511267588.pdfIn PDF document text
  • https://semut73.com/contents/files/48905193992.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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