Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://gimoguvi.ru/wix?keyword=whatsapp+apk+latest+version+for+pc PDF link annotation

  • http://migriruy.ru/zifuborajadosugogevuxgqpj9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372702/normal_60228c49d7a57.pdfIn PDF document text
  • https://cdn.sqhk.co/livisade/eXhgPjj/pilot_crew_rest_area_777.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404741/normal_5fdd6a4c8a336.pdfIn PDF document text
  • https://cdn.sqhk.co/zatovafer/egeHjaw/zexumamusijimunipaleri.pdfIn PDF document text
  • https://cdn.sqhk.co/kuwusemob/D8ifij3/27208998277.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4469626/normal_5ff828646a8e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383322/normal_6028c09608532.pdfIn PDF document text
  • http://gtmedis.com/4388851888165hvw.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4462075/normal_5ff521a666a90.pdfIn PDF document text
  • http://lianhua.life/estudio_del_trabajo_ingeniera_de_mtodos_roberto_garca_criollo6kifw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418175/normal_603b0fd6e30fb.pdfIn PDF document text
  • https://cdn.sqhk.co/wepunajexiju/6oihpif/kokanakatulukatepofulenos.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4503390/normal_60159c6b7c1fe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ef9935f7-a918-44a1-999f-f1d50a45e4a7.filesusr.com/ugd/b463f2_ee8007eea726419eaa61d53615ebaeb6.pdf?index=trueIn PDF document text
  • https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_97b4002ff3e4454fa4af6362ad21e3a9.pdf?index=trueIn PDF document text
  • https://82cb18f6-4a40-4824-ac11-10070f72ce02.filesusr.com/ugd/5aec95_7ba47a72963f4d1187faddb1905c5d5c.pdf?index=trueIn PDF document text
  • https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_b65ceb1b4e254d7fbfef9d950601c8e3.pdf?index=trueIn PDF document text
  • https://f7b0ef4b-317e-4f07-901b-4de91a029b50.filesusr.com/ugd/50f142_bb996dc470de4fdfb167959f323db01c.pdf?index=trueIn PDF document text
  • https://4be8a7ba-6c9a-47a4-99fc-a5961b41a404.filesusr.com/ugd/132250_07d12704908e46e5a0f48289b53feb9d.pdf?index=trueIn PDF document text
  • https://8eb0ff2f-1b5f-41fb-a82b-bf279dc7f43e.filesusr.com/ugd/868f76_39175ec5dbfd43f183010ab728db33ab.pdf?index=trueIn PDF document text
  • https://441768bb-9839-4df4-8f78-dd1233b527f6.filesusr.com/ugd/7e6080_cdf04a4c190c4008a9816df35d9aeb11.pdf?index=trueIn 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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