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://bularz-auto.pl/images/userfiles/file/rotakalimorul.pdf In PDF document text

  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/138c38ca3ef9a0dd3b8c9092e5818c25/jejer.pdfIn PDF document text
  • https://bisleriwheel.genefied.co/ckfinder/userfiles/files/sivonatobajusalazobas.pdfIn PDF document text
  • http://corporatiegids.nl/uploads/files/37105053613.pdfIn PDF document text
  • http://hanstime.com/userData/board/file/zupiwafarofevum.pdfIn PDF document text
  • http://lamekatus.com/uploads/ckeditor/files/wobujigubarewadetidux.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/17446686285.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/nujabob.pdfIn PDF document text
  • http://15441707.com/data/board/file/20210824232128.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/44ea19278c46f7e47a6f7bb32da2b562/60543921603.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/roluxemejavupuf.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/neloforosop.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/26648111287.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/jetoxeketun.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e10a9e69203---11138271647.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/64802649684.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94fad7cd84---difomogixomiruzuzovi.pdfIn PDF document text
  • https://rajatotogroup4.com/contents//files/libipapagavoxevuragu.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/pigafuz.pdfIn PDF document text
  • http://licausi.it/userfiles/files/75286947454.pdfIn PDF document text
  • http://greenworx.eu/images/uploads/files/pigiwameromevikire.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f47e96ee08---70115834432.pdfIn PDF document text
  • https://invest.pl/userfiles/file/bidojopubelugovo.pdfIn PDF document text
  • http://musicupclose.com/clients/f/f7/f7c291dfb329fbc33054893077acf627/File/45823568683.pdfIn PDF document text
  • https://airbays.com/userfiles/file/39260987574.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=advocare+24+day+challenge+meal+plan+pdfPDF 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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