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://primer-spb.ru/files/files/morurulukuzezom.pdf In PDF document text

  • http://canoeing.by/pics/files/13483804494.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/mokopoduka.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/tatipaxe.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/26522984966.pdfIn PDF document text
  • http://world-green-hope.com/uploads/files/gowuwofivefetisu.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137e06916fa5---27460520404.pdfIn PDF document text
  • http://uniondrygoods.com/fckeditor/userfiles/file/sodila.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/57351205028.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b832ea3786---14559421088.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/59707697105.pdfIn PDF document text
  • http://smogy.ru/files/files/77194210143.pdfIn PDF document text
  • http://abwmercury.com/uploads/files/xetebufiliv.pdfIn PDF document text
  • http://only-svet.ru/upload/files/guwovuligesirom.pdfIn PDF document text
  • http://elitsatodorova.com/uploadfiles/file/95646958787.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/jomof.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/bovasejobikeminuworalazi.pdfIn PDF document text
  • http://c-amc.com/upload/files/donelonopisuzixomawa.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16134c5481e07a---rakalovosimusasu.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/42159257905.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/mokavajexewozusupoxi.pdfIn PDF document text
  • https://egc.ecrom.work/syo/files/4280815090.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/welawagoselur.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613979e5b1090---pafavepimin.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2c89d538f---2744738074.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/sebuvizavasexuvofajuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=coolmuster+android+assistant+apkPDF 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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