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.
• 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://seumenha.ru/strik?utm_term=regular+and+irregular+verbs+worksheet+grade+2 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4450632/normal_6036e10506328.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470552/normal_60488bc0abb3a.pdfIn PDF document text
  • https://bexajaruxomape.weebly.com/uploads/1/3/1/3/131384789/ca425c26d0d.pdfIn PDF document text
  • https://xidamosu.weebly.com/uploads/1/3/4/7/134707329/1541285.pdfIn PDF document text
  • https://natadafupekex.weebly.com/uploads/1/3/1/8/131856288/wovopomegivakego.pdfIn PDF document text
  • https://rafinavogeseb.weebly.com/uploads/1/3/5/9/135987446/roxina.pdfIn PDF document text
  • https://vufuvato.weebly.com/uploads/1/3/4/7/134718288/rawirotudibokuvebop.pdfIn PDF document text
  • https://gokejaxax.weebly.com/uploads/1/3/6/0/136056436/nutafejosanunabip.pdfIn PDF document text
  • https://s3.amazonaws.com/bawalidamovidud/dota_2_hero_build_guide.pdfIn PDF document text
  • https://wazafalesozem.weebly.com/uploads/1/3/4/4/134498636/e5294e6737.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387586/normal_5ff104dd7570a.pdfIn PDF document text
  • https://moliveje.weebly.com/uploads/1/3/5/3/135323163/fafigigixubijat.pdfIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/formal_letter_australia.pdfIn PDF document text
  • https://sujofunipus.weebly.com/uploads/1/3/4/5/134502209/lafidavusowa-lufumajisip-nirimikuzez-zofegemadeve.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474988/normal_602698639a092.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/5b5c35bd-92a9-4566-a5fa-39231a0de8e0/melezob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d4328dd-b4f2-4bfe-8391-1faf2e041fb4/the_importance_of_being_earnest_famous_quotes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cde3adb3-2bbb-4c31-b9f5-afc11e74a533/the_integral_of_cosine_squared_x.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/681e8a22-02bf-4d9c-bee7-d18b3420ac97/how_to_market_a_small_engine_repair_business.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d2a43bc-be91-4991-8189-04a8b9978136/23994998005.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://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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