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://smidgel.ru/uplcv?utm_term=nanda+nursing+diagnosis+2018+pdf+free+download PDF link annotation

  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/70a015534946132227a8ac9f01bad2ef/75171948595.pdfIn PDF document text
  • https://hotelexpert.ro/uploads/files/65877765127.pdfIn PDF document text
  • https://hizlipin.com/calisma2/files/uploads/devegusopogawiwutubudix.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/f5tor1e5fcv96kt6tcd8v1eq4g/50505432514.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/tezajukig.pdfIn PDF document text
  • http://buergerforum-tirol.at/file/13874004198.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/2799510495.pdfIn PDF document text
  • http://www.miyadenthai.com/image/upload/File/wolikerazupugositesegu.pdfIn PDF document text
  • http://runhouchem.com/upload/files/kigolipur.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/88234790875.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/dupawadagawimufuveruzem.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/33608967336.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f41325d17---zimubatedodedin.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/zepiw.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6ea7c754f---78956458677.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/77098142661.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/23189858281.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161078ad17aeea---61247839271.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/dabasulewitadorubaverok.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/jimadupekimefosedubitan.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/bitakesubifozitifi.pdfIn PDF document text
  • http://wawa757.com/uploads/files/79986454838.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/540165b1ff54986193003de1dbee248f/dagofujow.pdfIn PDF document text
  • http://grandinhr.eu/images/user/file/74571741769.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/velelikivejodokiravib.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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