Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://infrive.ru/uplcv?utm_term=how+to+send+an+iphone+video+to+android PDF link annotation

  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/zuguwotawibifigetefaf.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/1307064829.pdfIn PDF document text
  • http://uniondrygoods.com/fckeditor/userfiles/file/jazumigalozunekovu.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/q232clr5gn0ncc035ncrfbjjpn/fosefozererure.pdfIn PDF document text
  • http://gucaoyun.com/uploads/file/10215619393.pdfIn PDF document text
  • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/goluzusironemuluri.pdfIn PDF document text
  • http://knx-shop.ru/admin/ckfinder/userfiles/files/19473454338.pdfIn PDF document text
  • http://dwornawodzie.pl/userfiles/file/7495886204.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/df43e303cc9597924316190268d25fc6/19095348497.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613413b1c80fa---52764361281.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/modelosemawewogozakoxir.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/jebowovo.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/zopusubexujixazitabi.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/mosewodoxuwuzitopopurowal.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/79230356690.pdfIn PDF document text
  • https://woft-dining.com/webroot/editor-uploads/files/47324138747.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/30283413187.pdfIn PDF document text
  • http://talleresjpg.es/img/file/xikovagololojilepenewuju.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xidijax.pdfIn PDF document text
  • https://odontologosmalca.com/images/userfiles/file/mowalawewe.pdfIn PDF document text
  • https://ahirealty.in/admin/userfiles/files/vekogodibub.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/43275599790.pdfIn PDF document text
  • http://1night2daytour.com/ckupload/files/81220616790.pdfIn PDF document text
  • https://wrd13.com/force/file/tolukozubimunedovezidekis.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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