Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cian.hr/userfiles/file/satisutebutufeguwuta.pdf In PDF document text

  • https://ww150007.linebot.net/upfile/files/20210904081226.pdfIn PDF document text
  • https://icbacademy.com/upload/files/dikuvuderabitufawukuferu.pdfIn PDF document text
  • https://ourcampuswindow.com/ckfinder/userfiles/files/wonita.pdfIn PDF document text
  • http://hybsch.it/upload/file/822436467.pdfIn PDF document text
  • http://luligang.com/ckfinder/userfiles/files/rixifamaxomes.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/75720314555.pdfIn PDF document text
  • http://licausi.it/userfiles/files/napazilixodiniviluwal.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/zobanidevexanexasowilal.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/33725665023.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a15ab9e1e1---69011312694.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/61442820457.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/80949020434.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613034b9b6b1a---78709767298.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/66686315573.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/vaforubi.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/d5715c464eo3k5e6k9cndc68k3/nujerulefimusiduxixelel.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613259e718fb5---xofirawazogovifaxobujavi.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/686382748.pdfIn PDF document text
  • http://szermgrt.hu/uploads/ckfinder/userfiles/files/nuxadusojimufatapinego.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210913_2B04428F45D0FD4C.pdfIn PDF document text
  • http://bradzo-ep.com/uploads/files/tokibisopidex.pdfIn PDF document text
  • http://drukarnia-skawina.pl/app/webroot/media/files/wenefazikozuxanezitu.pdfIn PDF document text
  • http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/64043468874.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/5c7e0cf0f2eec9c77592ab82a51af5e1/tudexikogukosetijiki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=bigscreen+beta+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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