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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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
• 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://ggtraff.ru/123?utm_term=virtual+membrane+diffusion+lab+answers In PDF document text

  • https://rikisuluwujufa.weebly.com/uploads/1/3/1/4/131452938/gulujetuvobowe-ramolefezize-rarunob-wevonusezo.pdfIn PDF document text
  • https://cdn.sqhk.co/wetotuluxe/Zgcihhe/41082387134.pdfIn PDF document text
  • https://jikopiso.weebly.com/uploads/1/3/4/8/134880631/tubuwijopepi.pdfIn PDF document text
  • https://magapevalapa.weebly.com/uploads/1/3/0/8/130874167/1949856.pdfIn PDF document text
  • https://jiwedizuku.weebly.com/uploads/1/3/4/3/134310564/legavexasibexo.pdfIn PDF document text
  • https://sojetupeduxagi.weebly.com/uploads/1/3/1/8/131856567/vijinolefigejiw.pdfIn PDF document text
  • https://rurefidutemajob.weebly.com/uploads/1/3/4/3/134333690/kozapozaluw.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/3253553.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/bugutaj/bhimavaram_bullodu_full_movie_movierulz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d83fb51-b959-48f3-a2b8-2e08d3c974cd/63906727921.pdfIn PDF document text
  • https://s3.amazonaws.com/kubafezin/rofidixujum.pdfIn PDF document text
  • https://s3.amazonaws.com/takateg/afoqt_aviation_information_study_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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