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://maypoin.ru/123?utm_term=cse+12+ucsd+winter+2019 PDF link annotation

  • https://cdn.sqhk.co/posiraki/gi85hhS/best_video_recorder_app_for_laptop.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4386829/normal_5fe0f03e304ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417664/normal_601a860c9f61f.pdfIn PDF document text
  • https://cdn.sqhk.co/mozulunilex/ccjarhi/lyft_driver_app_update_2020.pdfIn PDF document text
  • http://gogotmif.space/3333544358625zp3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4490367/normal_5ff807a8a794c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4470683/normal_5fcb0973412fd.pdfIn PDF document text
  • https://zigibopujomez.weebly.com/uploads/1/3/5/3/135350997/8318192.pdfIn PDF document text
  • https://tunawirivam.weebly.com/uploads/1/3/1/4/131437064/7fca4d773c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449421/normal_5fdc339dacfb3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499282/normal_601071ba2694d.pdfIn PDF document text
  • https://jevejokanidepit.weebly.com/uploads/1/3/0/9/130969277/aacb20.pdfIn PDF document text
  • https://cdn.sqhk.co/jozanafe/SgggfOs/48048396714.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385207/normal_601186bc3b154.pdfIn PDF document text
  • http://operationhomeplate.com/74430475692rbyoh.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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