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://nomylo.ru/uplcv?utm_term=goodnotes+5+free+download+windows PDF link annotation

  • http://dansecyr.ca/pdf/file/72103292462.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/84723145549.pdfIn PDF document text
  • https://egyseg.eu/ckfinder/userfiles/files/negatepifakufifonefabij.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sadixobex.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/18282687565.pdfIn PDF document text
  • http://ticketsperiodico.com/galeria/files/pigiju.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/bosakeniludivowowa.pdfIn PDF document text
  • http://slstudio.it/userfiles/files/29630588668.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/kelajadidilunub.pdfIn PDF document text
  • http://www.sandipmallick.com/fckimages/file/9635238841.pdfIn PDF document text
  • http://llux.vn/uploads/files/dejuwetolivu.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/60409002870.pdfIn PDF document text
  • https://sassanoproperties.com/FCKeditor/file/69717939628.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161402d30ba45b---33078686340.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1613b51cb10e1f---basilutivurugawupu.pdfIn PDF document text
  • https://luckyfood.itweald.com/uploads/files/6141ffde4dc1d.pdfIn PDF document text
  • http://hlqh.net/userfiles/file/20210903235255_1473822477.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/xuxaresepakate.pdfIn PDF document text
  • http://vikohasanfiber.com/upload/files/dokijisivofodaxad.pdfIn PDF document text
  • http://wasserentkalkung.at/ckfinder/userfiles/files/11833258614.pdfIn PDF document text
  • http://kleni.cz/userfiles/file/3411725847.pdfIn PDF document text
  • https://capital-publishing.com/ckfinder/userfiles/files/53065326472.pdfIn PDF document text
  • http://gzcil.com/uploadfile/files/53655935965.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/tikafofasejefakujubu.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161424e8e51f36---wijirukenak.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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