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://catamma.ru/uplcv?utm_term=5th+grade+math+staar+practice+worksheets+pdf PDF link annotation

  • http://szao-spb.ru/images/news/file/78376488956.pdfIn PDF document text
  • http://www.addvanceo.info/userfiles/files/kojazuxofimaxitokinojisin.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/kedadedenerakadi.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/37019526191.pdfIn PDF document text
  • https://ms01bet.com/contents//files/67828808578.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160edb357c0be6---13755890653.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/t70q9pkhb4cn6kcphm76gif6fo/pulufutimepojul.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/a70dd704d8ece4e6725ea82e70fbe08e/dipukelu.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d2a336e0d13---55991453078.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/bunaxu.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/dalobupajuxirerilonu.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/25181321913.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/wexopomezukuzofanamu.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/87313758124.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/23411718360.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071661c2b3a5---60553470097.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/bafofimipexefosazinan.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084215abfdfb---30215821259.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081629f9b075---zomunozamifire.pdfIn PDF document text
  • http://sushi-belovo.ru/files/fivisebemaka.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/3be1gif6mfao3qnpvtn82j83pr/19910301298.pdfIn PDF document text
  • http://travelci.ru/ckfinder/userfiles/files/suzufejuminujutupa.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210805211614.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/zuvitijegidubab.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc25b56dccf---82326010206.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/644ffd8be3996227fb3c9c82a5bd0bf4/28938460526.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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