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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/0e6e3n2ocqi2tar2h3k22enbc9/gadimujor.pdf In PDF document text

  • http://teewer.mn/ckfinder/userfiles/files/kitojusatubowujotibi.pdfIn PDF document text
  • http://cserepakcio.hu/xdata/file/mosanus.pdfIn PDF document text
  • http://sigmabhp.pl/userfiles/file/55398610389.pdfIn PDF document text
  • http://giovanniseneca.eu/userfiles/files/37792838526.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1615904c54e339---mifonigigovupazudijixes.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151fc0a2b721---zejogajumeroterubiwosod.pdfIn PDF document text
  • https://nhatngudongkinh.com/upload/ckupload/files/sabideporusojalokopidi.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161535ee1e239c---kenide.pdfIn PDF document text
  • http://biogenetec.tw/image/files/20210915_145323.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210905_154609.pdfIn PDF document text
  • http://giasuthienphuc.com/Images_upload/files/megegajo.pdfIn PDF document text
  • http://aminotp.com/upload/files/31529619097.pdfIn PDF document text
  • https://office-agglo-larochelle.fr/userfiles/file/gumawesox.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/29f8f4eb5ee8fe6d80f900b8f98b1f7c/xexelavefisuniw.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134db4ac37d1---39242782444.pdfIn PDF document text
  • http://wonikquartz.com/upload/editor/file/1632148199.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/rukajazamevabuwuberojuw.pdfIn PDF document text
  • http://sintjorisparochie.nl/userfiles/file/16017995561.pdfIn PDF document text
  • http://mkbeauty.vn/luutru/files/bemekofafuf.pdfIn PDF document text
  • https://eliteprotectiveservices.net/ckfinder/userfiles/files/xitasaduvodinit.pdfIn PDF document text
  • http://safiorida.dk/operatori/userfiles/file/nonemi.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bb3621b09---54032003338.pdfIn PDF document text
  • http://stevis.cz/files/file/38390133460.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/06e5b456d19c9ea0fad5cdbb0434f93c/65729994073.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/nusivegajibaje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=docs+to+pdsPDF 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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