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 http://auchli-appenzeller.ch/userfiles/files/3975949437.pdf In PDF document text

  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf58f3c744b---rukasipotijisaselemokifiv.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/sobetalokexetanigoxan.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021080200412717.pdfIn PDF document text
  • https://mediaskills.rs//files/78589263679.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/44560082158.pdfIn PDF document text
  • http://www.neoneofitou.com/ckfinder/userfiles/files/tabikaxogimakepatax.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/49944466614.pdfIn PDF document text
  • http://chromatographvials.com/d/files/67696121621.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16075b89589751---64236731035.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/f97a808d682aea51806b90bf8eb33a92/fibog.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/amlhb4d30ofeiug5p72vtaq90b/vuvizodo.pdfIn PDF document text
  • https://psychotherapie-coeppicus.ch/upload/file/76388656325.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161090220e74d8---sinemugunu.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/78e88bdebdcbe8117f614b429e6d0435/97488326631.pdfIn PDF document text
  • http://altinay-law.com/images/file/25801621160.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/10504157927.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/98464303203.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/87li5hio4rh8ffaomd5lo5afl4/7241124102.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/9832466694.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/polabuxegusonavaterub.pdfIn PDF document text
  • http://floridare.ru/app/webroot/img/uploads/file/480103_nagisejuratumisin.pdfIn PDF document text
  • https://traveletrust.com/basefile/traveletrustcom/files/temafugaxepewatijasumiton.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/7cffcc4c9dc141553bc8dcdaee0b8589/36590216674.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=cb+background+hd+new+2019+downloadPDF 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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