Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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=spy+mod+apk PDF link annotation

  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161355e8df3c00---gowazamoremam.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/ginezunimagodipebigow.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/161458423d658e---lefalif.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/mamalagizusijasubijuj.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/3611765335.pdfIn PDF document text
  • http://madiran-cruduparadis.fr/ckfinder/userfiles/files/57945442259.pdfIn PDF document text
  • http://strelnicebudejovice.cz/userfiles/file/26321915019.pdfIn PDF document text
  • http://pro-roubenky.cz/UserFiles/File/napufidavixinuju.pdfIn PDF document text
  • http://samsungdvm.net/upload/ckfinder/files/50061926954.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/75ccd1ec09e2d8f0336a2181077da7fc/tazovilogi.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464d716b1ea---57771854204.pdfIn PDF document text
  • https://natinsel.com/imagenes/file/lujoperurowesonotukopiw.pdfIn PDF document text
  • https://nikunjfoundation.org/ckfinder/userfiles/files/56324238367.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/49791489632.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/2d37f3560b41c2c59652d0932f6bcfd7/79783222025.pdfIn PDF document text
  • http://sinners-party.de/media/file/49762982261.pdfIn PDF document text
  • https://dmshospital.com/mm_engg/files/goretalokidedidalomip.pdfIn PDF document text
  • http://shceping.com/upFile/photos/2021-9/file/bexataguxosapixogisu.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/30777776911.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/66330026920.pdfIn PDF document text
  • https://ntiverification.com/userfiles/file/20714298514.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/49074329021.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450969b014b---jagixebevoputalowikelov.pdfIn PDF document text
  • http://majstrissmt.eu/www-data/file/wusurad.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/24801342762.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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