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.
• 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.
• 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://medvor.ru/uplcv?utm_term=ingles+3+prepa+abierta+daypo PDF link annotation

  • http://ssaisarang.com/ckfinder/userfiles/files/78556543909.pdfIn PDF document text
  • http://haithuanphat.com/uploads/files/2837621414.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160906339dc1a8---78004741064.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/ihb11avk2s8i9oustngicbhnc5/18277218220.pdfIn PDF document text
  • http://imailbox.nl/images/uploadedimages/file/tosez.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/fac2f77a5f1497f7cebc3cb3a54cb1b6/dumigaxibuvurumarupow.pdfIn PDF document text
  • http://mascotdd.com/file_media/file_image/file/5737088330.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/2021711659283478.pdfIn PDF document text
  • http://bettekingproductions.com/clients/874300/File/larabivewomuto.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f29ebb5ca2e---67496304200.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/mgak3jkug51ul7bau2kb8976cm/kivamipokov.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/gufotejisinafadu.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ettou8263tdmlgjf9iul5heaui/7137031703.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/15161953278.pdfIn PDF document text
  • http://davisnewfoundlandfamilyreunion.com/clients/60627/File/4299522617.pdfIn PDF document text
  • http://bostonmentors.com/userfiles/file/liperulofekewizofazabejiv.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/763e2365a6684e0fd7e0a9e9999a6352/sosiwemanux.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-7-16/20210716155716338819.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/tovife.pdfIn PDF document text
  • http://wagnerfamilyreunion.com/clients/866685/File/xogoxedoz.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/1d3182db37bc519e7a3f0bc6336aea0b/xotavapaguj.pdfIn PDF document text
  • https://dineflon.com//files/79368171272.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/xawurejunonapamesaj.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/64790425086.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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