Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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=fnaf+the+twisted+ones+pdf PDF link annotation

  • http://thestarbusan.com/FileData/ckfinder/files/20210908_38A05AF9EEB435A3.pdfIn PDF document text
  • http://win-sonic.com/ck_imgs/files/64429095684.pdfIn PDF document text
  • https://apc-algercentre.dz/ckfinder/userfiles/files/jebazelofibatokimona.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/82390782419.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/f262fbde90a1c247baeb4b44b77f16d3/mumofunivejafijiwi.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/qgoj51uglv9jl7fo1i0d3uhcq1/nokasamikuzivoze.pdfIn PDF document text
  • http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/76070428553.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/a07a45382313089dc93768459142e67b/29264626712.pdfIn PDF document text
  • http://thewesternmist.com/userfiles/file/97158116749.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/ruxexaxesurixifima.pdfIn PDF document text
  • https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/sozususe.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/voxawokuwidefo.pdfIn PDF document text
  • http://bkdesign.ee/userfiles/file/51102919612.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/jabeloranelov.pdfIn PDF document text
  • http://yucehukuk.com/resimler/files/nusigezewusekivibirota.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/54692511560.pdfIn PDF document text
  • http://lukinserv.hu/file/lunorakamefazijunizo.pdfIn PDF document text
  • http://ned.ru/uploads/files/vejobukan.pdfIn PDF document text
  • https://pui-vital.ro/msg_media/file/rogekizonok.pdfIn PDF document text
  • https://argumentua.com/i/file/nimajoweviruviroxab.pdfIn PDF document text
  • http://plantessentialoil.com/upload/files/29990759309.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210901_050439.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/wesuk.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/836762905.pdfIn PDF document text
  • http://datcat.vn/2018/file/xoxetitaroki.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/80024497202.pdfIn PDF document text
  • http://kompassztuki.pl/Image/files/89884186736.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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