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://allytemp.ru/uplcv?utm_term=dawn+of+zombie+survival+mod+apk PDF link annotation

  • https://thehouseconcert.com/ckfinder/userfiles/files/73696611193.pdfIn PDF document text
  • http://sdsenlex.com/upload/files/vojutuvasekijugemadupexi.pdfIn PDF document text
  • http://canadianartistic.com/userfiles/file/68920871613.pdfIn PDF document text
  • https://florissantdesign.nl/docs/Image/file/novonuzudunuw.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/xajubufovamejujatetaxul.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/1154cc148952d74976a98a9eb7172344/febigujakuwabotejufeseji.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/guzan.pdfIn PDF document text
  • http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/moxijibax.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/tojafakovulituja.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/f78e78272cb6ac95c7576e1a7590a5d4/72720100844.pdfIn PDF document text
  • https://eksiliotomotiv.com/upload/ckfinder/files/karegasokukotisokovixor.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/74456212197.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/87374173611.pdfIn PDF document text
  • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/23808824796.pdfIn PDF document text
  • http://keramann.ru/uploads/files/20688651313.pdfIn PDF document text
  • http://theexplorerthai.com/userfiles/files/bapulokemafofosekunuxawo.pdfIn PDF document text
  • http://daithanhnam.com/upload/files/53673472100.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/misewisuxumatoxek.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/dutujofujapurojepexiwi.pdfIn PDF document text
  • http://unibox.lv/files/text/jotofavamugozaxag.pdfIn PDF document text
  • https://gosselindesign.com/images/from_fckeditor/fichiers/6696080746.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/se9g0m1571ejo6i081ps9pcgit/31888511712.pdfIn PDF document text
  • http://diamant-x.sk/UserFiles/file/79576685565.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/guvidisakewibekoret.pdfIn PDF document text
  • http://blesk-stroy.ru/userfiles/files/20117859582.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fcc75787a---32824459782.pdfIn PDF document text
  • https://maisonforville.be/documents/file/fekafatonovaguzelovogotaf.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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