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
• 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.
• 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://vilenefex.ru/strik?utm_term=cursos+de+ingles+en+linea+gratis+sep+2019+unam PDF link annotation

  • https://cdn.sqhk.co/kabawamurelo/pvgdgdD/xodidogawapetadanuz.pdfIn PDF document text
  • https://cdn.sqhk.co/livulopo/ujchgFQ/tatelanorejup.pdfIn PDF document text
  • https://cdn.sqhk.co/rarinuva/eccNTl9/subway_team_member_job_description.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390074/normal_603af130c4d06.pdfIn PDF document text
  • https://cdn.sqhk.co/mujawiru/jjwjjhg/gomorumezo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4469128/normal_60098f91e4e22.pdfIn PDF document text
  • https://cdn.sqhk.co/riwifesineji/bJnWQSN/28469710571.pdfIn PDF document text
  • https://s3.amazonaws.com/zalomi/hard_and_soft_c_worksheets_3rd_grade.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454670/normal_5ff174e89b7ee.pdfIn PDF document text
  • https://cdn.sqhk.co/zapajugadira/shbZhbI/63909417408.pdfIn PDF document text
  • https://cdn.sqhk.co/remigalakefo/jfjg3cH/21769045278.pdfIn PDF document text
  • http://help-feedback-amzn8.xyz/giwofatowulujesugel628.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427080/normal_6035dd12b35c5.pdfIn PDF document text
  • https://s3.amazonaws.com/waxapoz/new_born_baby_video_status.pdfIn PDF document text
  • https://s3.amazonaws.com/natewared/puxetu.pdfIn PDF document text
  • https://s3.amazonaws.com/posufij/safety_movie_age_rating.pdfIn PDF document text
  • http://svoytrylend.xyz/hp_elitebook_6930p_manualrjjmr.pdfIn PDF document text
  • https://cdn.sqhk.co/ferobisuw/jH6phbs/street_fighter_iv_champion_edition.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ea74ff18-003d-4094-8454-8d7e15e33abb.filesusr.com/ugd/50de67_72f1268da60c4874abc0a524917a8286.pdf?index=trueIn PDF document text
  • https://709e7e89-b264-4d73-b757-064736ed86f1.filesusr.com/ugd/f523c3_c774f7470a824522a8bb049a5d3bf11e.pdf?index=trueIn PDF document text
  • https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_2824a744ec234c0c99f7d962d4037c13.pdf?index=trueIn PDF document text
  • https://d896c2b7-539c-4146-aa8a-b39d26e096d8.filesusr.com/ugd/a98ecc_fe187c282924408e9b028425aa859692.pdf?index=trueIn PDF document text
  • https://4ec63ec4-77bf-4499-900e-7c522af20654.filesusr.com/ugd/35bdb9_4d881db737ed4a71a35ec1bd98add9c5.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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