Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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://maypoin.ru/strik?utm_term=what+is+java+8+update+221 PDF link annotation

  • https://diwolusetu.weebly.com/uploads/1/3/5/2/135299278/8164850.pdfIn PDF document text
  • https://fevixivosetakub.weebly.com/uploads/1/3/2/6/132681861/7525197.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4470385/normal_5fff04aa22dcd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389794/normal_5fdbc560363f3.pdfIn PDF document text
  • https://pokiwaminexaga.weebly.com/uploads/1/3/1/6/131637240/wirur_kuzowovenufuluk_tadigirivab.pdfIn PDF document text
  • https://pimakiwukusa.weebly.com/uploads/1/3/4/7/134712386/2349214.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408873/normal_602cac93c28db.pdfIn PDF document text
  • https://boviseweduxiraz.weebly.com/uploads/1/3/0/7/130776594/72b38ee.pdfIn PDF document text
  • https://34ea5197-a9e9-4In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/dumupa/esperanza_rising_questions_and_answers_by_chapter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3733d129-25d8-4a89-8165-9ef63f809b3f/vuzipekosejoj.pdfIn PDF document text
  • https://s3.amazonaws.com/kosipefojaw/write_an_essay_on_my_pet_parrot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffe376df-1ed6-4315-bec9-504ec6fe0d71/sigezozog.pdfIn PDF document text
  • https://s3.amazonaws.com/jobavo/vunasofef.pdfIn PDF document text
  • https://s3.amazonaws.com/nevovumowa/best_task_list_app_android.pdfIn PDF document text
  • https://e72deea9-3c4d-48de-8429-d2e8e2d5d9b3.filesusr.com/ugd/68b2df_4870f2d91c7d46b393c1c7d0f775e94e.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/nuselufuzo/86120528126.pdfIn PDF document text
  • https://82e7f058-9c2a-4352-8e65-a162d98cde11.filesusr.com/ugd/ba3c76_16803a50e8184f41ab9a7a2c8b4c0db6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/47235f25-0b08-4ca8-b81c-d8372ec586e6/mathematical_group_theory_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/vokeri/how_to_apa_cite_davis_drug_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e002206f-b88a-45af-8031-9498c07292a3/windows_cmd_list_files_containing_string.pdfIn PDF document text
  • https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_6122464391684f78a9fc4b2b666dda0f.pdf?index=trueIn PDF document text
  • https://cc0b58a5-7bf4-4b41-9cd7-d9bc0cd2cc6f.filesusr.com/ugd/6dc98b_c61fd2bb0b4c49bf90fa7cfa1e820d15.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc8e7bf9-7688-44b0-ad72-8d865ed7aa74/50181187933.pdfIn PDF document text
  • https://www.oracle.com/techIn 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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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