Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://jacksth.ru/123?utm_term=synology+diskstation+ds1515%252B+specs PDF link annotation

  • https://lerasakob.weebly.com/uploads/1/3/2/6/132682990/dc77858614ec37c.pdfIn PDF document text
  • https://poximixej.weebly.com/uploads/1/3/0/7/130776069/marasajimo-datob-nekarut.pdfIn PDF document text
  • https://cdn.sqhk.co/ruwonumatag/ggggkzX/lopuliwo.pdfIn PDF document text
  • https://cdn.sqhk.co/niwuruba/YEjfgcy/sololearn_learn_to_code_for_free_apk.pdfIn PDF document text
  • http://fit-italy.space/emeria_shattered_skyclave_price2in1t.pdfIn PDF document text
  • http://kersita.space/precious_metal_prices_copper9rzro.pdfIn PDF document text
  • https://cdn.sqhk.co/norowitidot/dcxDhbP/general_motors_jobs.pdfIn PDF document text
  • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/d48a3.pdfIn PDF document text
  • https://cdn.sqhk.co/botonerepap/fibihgj/jolteon_moveset_gen_2.pdfIn PDF document text
  • https://cdn.sqhk.co/ributexovek/ccdsga0/buzzer_sounds_for_quiz.pdfIn PDF document text
  • https://webuseki.weebly.com/uploads/1/3/2/8/132814302/tedawetigu.pdfIn PDF document text
  • http://unreguezff.rest/mopome6d3er.pdfIn PDF document text
  • https://bipekafus.weebly.com/uploads/1/3/0/7/130776646/xeligumiwit_bipap.pdfIn PDF document text
  • https://dobojadu.weebly.com/uploads/1/3/2/7/132711966/sodixopube_ribifiwoz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zafijukopa/graphic_design_history_a_critical_guide.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

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