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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://soxebez.ru/strik?utm_term=resumen+libro+un+puente+hacia+terabithia PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4375509/normal_5ffa3a412dbeb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453540/normal_605f6264873b1.pdfIn PDF document text
  • http://tuzogat.sportsontheweb.net/summer_escapes_18_ft_pool_liner.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465264/normal_603492a649c41.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4500882/normal_5fcc6ef2e93f3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://75ca6b5e-a470-4e0e-8004-b00a9f1721b4.filesusr.com/ugd/1e4819_1d7a242afca34b81affec594e9da4ef7.pdf?index=trueIn PDF document text
  • http://moxixezegosa.onlinewebshop.net/circle_of_fifths_bass_clef.pdfIn PDF document text
  • http://furipurisebete.onlinewebshop.net/abdominal_ultrasound_in_dogs.pdfIn PDF document text
  • https://s3.amazonaws.com/fekazudabo/upsc_model_answer_sheet.pdfIn PDF document text
  • https://bf6af823-cb0d-4ee8-9d5b-4f0b1de5ed24.filesusr.com/ugd/9eb187_5289968228f546cfae4cac1a1b2782b3.pdf?index=trueIn PDF document text
  • http://tebuwawezizafes.onlinewebshop.net/calculo_de_centroides_de_figuras_compuestas.pdfIn PDF document text
  • https://ecad98c5-3f79-4b5a-9309-7060426a101e.filesusr.com/ugd/66ec94_0db2dd67cba443cca09e080eaa98db4a.pdf?index=trueIn PDF document text
  • https://22fea36a-5e19-4af1-b4aa-fe6e1efe0ee9.filesusr.com/ugd/b5a188_ff887874754a4c90b94a448807d5a344.pdf?index=trueIn PDF document text
  • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_c8466b6829e14ac78bb34d6615f487d7.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/baxekojojexusol/dribble_bib_template.pdfIn PDF document text
  • https://15319a82-8c66-4906-b3c2-464277991f2b.filesusr.com/ugd/070acf_bd73043c8517485eb23f32243f5771a1.pdf?index=trueIn PDF document text
  • https://2df275fc-a8dd-466e-be95-33fe0afe7bed.filesusr.com/ugd/9b6d1e_59f3420d07ff42bf89326b72623e44d7.pdf?index=trueIn PDF document text
  • https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_75073cf3872a4e93b4173d0537d368dc.pdf?index=trueIn PDF document text
  • https://54d25d35-1219-4e5f-97c3-905e72ea606f.filesusr.com/ugd/6d59ab_ff2c697017134dbe97e484c3015ca00c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/davawina/siviga.pdfIn PDF document text
  • https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_e4439b26cad544569ecdba4893bc5650.pdf?index=trueIn PDF document text
  • http://gizogorofu.onlinewebshop.net/17103897972.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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