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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://jumiwimov.ru/strik?utm_term=fish+philosophy+play+activities PDF link annotation

  • http://mavaxur.mywebcommunity.org/dudinob.pdfIn PDF document text
  • https://cdn.sqhk.co/kepilujofeje/qjagcBS/scorpion_wallpaper_animal.pdfIn PDF document text
  • https://cdn.sqhk.co/kiribikiv/ghihb1u/paypal_account_number_example.pdfIn PDF document text
  • https://cdn.sqhk.co/tatolodam/egegcia/telegram_desktop_call_microphone_not_working.pdfIn PDF document text
  • http://lixorajepidil.mygamesonline.org/acer_abstract_reasoning_test.pdfIn PDF document text
  • https://cdn.sqhk.co/solalokazili/hdUgf8l/word_search_english_with_dictionary_app.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/13180168-e54a-465b-bd92-37002a457853/68163693299.pdfIn PDF document text
  • https://dec4a425-646e-450a-80ca-a73a75d058ad.filesusr.com/ugd/ba3095_53455b95ab714a04ad88e3e20bb437a9.pdf?index=trueIn PDF document text
  • https://d6d3a1c5-32ce-46e9-ae92-c5b8d84d65d9.filesusr.com/ugd/a3b54b_ef3d8aa024ae4108a3a10b748b06bf05.pdf?index=trueIn PDF document text
  • http://perexuwofogefo.onlinewebshop.net/vlookup_in_excel_2020_with_example.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48b157a9-6667-45fd-92d6-93c73a4f1cb8/stories_of_your_life_and_others_understand_summary.pdfIn PDF document text
  • https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_50fc93329dec4a6f828fd0d3fabee805.pdf?index=trueIn PDF document text
  • https://793776f3-68b4-44d3-947a-596ce2c6f652.filesusr.com/ugd/4e977a_ef6642b28c884bd3ae44648f152c9077.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/07b68c39-9d31-4e1d-b757-8679463d42e7/what_are_the_rules_to_21.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5240cb61-4677-41fd-b8da-b73613907ac2/86716912878.pdfIn PDF document text
  • https://f07eb630-23ff-4298-a1df-d7940f1ba2dc.filesusr.com/ugd/097a5b_a03c72fd1c6f47fca1b34956f18de57a.pdf?index=trueIn PDF document text
  • https://74df6fe0-557b-4e47-8461-f2df536053d0.filesusr.com/ugd/4dcf4e_58fefd91cc914cd8957f0a1409812635.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa70ce8b-2bb5-4475-87a2-10b62707cbab/selipojamezutezevezaw.pdfIn PDF document text
  • https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_b5c8952d65ea47b684f2bb7d58676663.pdf?index=trueIn PDF document text
  • https://810dce77-56ab-4324-823a-3549757f4eab.filesusr.com/ugd/1fad07_1a49cdc7a1a3401aab57a10f42d12824.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text

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