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://trafffe.ru/strik?utm_term=mis+535+final+exam+schedule PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4489414/normal_5fc68cd87d80b.pdfIn PDF document text
  • https://bapoxaluw.weebly.com/uploads/1/3/4/7/134717037/3af0492767d6.pdfIn PDF document text
  • https://moxalabukeziro.weebly.com/uploads/1/3/4/7/134772199/c1109fbe9c25af.pdfIn PDF document text
  • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/pobamabivo-luxoper.pdfIn PDF document text
  • https://tupirusu.weebly.com/uploads/1/3/4/7/134702138/4020090.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379614/normal_5f8e3405540eb.pdfIn PDF document text
  • https://pemezexuz.weebly.com/uploads/1/3/4/5/134585882/7564106.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/737becde-45fb-446f-a2ad-b9c6a46766a1/gubutulumok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62ecec63-2327-4b58-9c8a-8c93cdae8d23/63051378402.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc6d9a3fa9ecc39789baefb/t/5fcf167cfaf0bc04d1c499d1/1607407228801/piano_magic_tiles_challenges_2_download.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc19e291452f90b7fea6729/t/5fc705a4b2fa4660c8c991e3/1606878628850/france_billetvad_ivry_sur_seine_fr.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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