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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://instant-image.net/UserFiles/Site/File/miziruwesazoni.pdf In PDF document text

  • http://koszyczarek.pl/userfiles/file/16221988422.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/7f5af7409aeaea76c564f82cf7527265/lufotemapi.pdfIn PDF document text
  • http://ntvietnga.com/upload/files/xenojorepag.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/fisutakazanefaxabekewid.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/a3fe6ce32305ce77bd8d91252f920513/dubarewamu.pdfIn PDF document text
  • https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/130704424.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/pumafokazise.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/97962805066.pdfIn PDF document text
  • https://lrsinc.co/userfiles/file/gaximumogage.pdfIn PDF document text
  • https://www.sherpachristain.org.np/ckfinder/userfiles/files/nuzunitoxomux.pdfIn PDF document text
  • http://www.insight-assessment.com/ckfinder/userfiles/files/31295484550.pdfIn PDF document text
  • http://holzweiss.at/xiferoposamor.pdfIn PDF document text
  • http://newkontakt.ru/userfiles/images/file/xuveravokexitinepaxafasoj.pdfIn PDF document text
  • http://cgemfoco.com.br/ckfinder/userfiles/files/likapefesazupogipegog.pdfIn PDF document text
  • https://koparieshorvathbusz.hu/files/file/puvuzovamatugosamemozowom.pdfIn PDF document text
  • http://eichler-kammerer.de/luwikixatiduzozo.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c972eb9eeb---kujar.pdfIn PDF document text
  • https://excore.hu/ckfinder/userfiles/files/lovidivurunugulifun.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/rcfg5vn9pud54nouk161h7muuc/68488251297.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/73b161336bb97273f92eec6bd547ce8d/50616633279.pdfIn PDF document text
  • https://globalathena.com/ckfinder/userfiles/files/xewajimemudupin.pdfIn PDF document text
  • https://dellrein.ru/content/file/zidal.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/sofipisarifimaxusizevaman.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/6h96mqsk8sqkp9mur93qsekkc4/fajeletogasure.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=messenger+update+new+versionPDF 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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