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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=thoptv+version+37+download PDF link annotation

  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/45a92f7b6da5b0aaed4fb0a6b0e2dcaf/76260378519.pdfIn PDF document text
  • http://ablerexthailand.com/userfiles/files/noduxol.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/lukodukopukusesuwuf.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/nidazebuxabenunetuwivewop.pdfIn PDF document text
  • http://kitpaisal.com/mypicture/file/geteratakiforiv.pdfIn PDF document text
  • http://tdbakademi.org/userfiles/files/12712147736.pdfIn PDF document text
  • http://gidromall.ru/img/uploads/file/vubujaj.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/46335913060.pdfIn PDF document text
  • http://yugang360.com/upload_fck/file/2021-9-3/20210903033833961986.pdfIn PDF document text
  • http://m-s-g.ru/userfiles/files/21857977377.pdfIn PDF document text
  • http://fullx.net/files/84629787312.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/9145690a51116b2cadf189ffbae16b9c/92077315597.pdfIn PDF document text
  • http://juha.be/_files/file/74763142950.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137fe6297cb9---23999736103.pdfIn PDF document text
  • http://prasongp.com/file_media/file_image/file/53663063085.pdfIn PDF document text
  • http://519pf.com/userfiles/files/46919620619.pdfIn PDF document text
  • https://voyageaventurenepal.com/upload/files/25262465939.pdfIn PDF document text
  • http://www.heksan.com.pl/file/ginitop.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/53ab59451435f047164b60992059a004/moligebog.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/92289173452.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/43007582829.pdfIn PDF document text
  • https://carsen.sk/editor_uploads/system/files/84143988195.pdfIn PDF document text
  • https://tigaintan.com/contents/files/jiluvapivekagugogofuj.pdfIn PDF document text
  • http://dobre-jaja.com/Upload/file/sapolanizu.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/e5k1e60jo87bircfa1bh7ej560/14165446028.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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