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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://nipisod.ru/123?utm_term=groovepad+music+and+beat+maker+apk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4461245/normal_601d6a0612a26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4527859/normal_5fdb1e0d81214.pdfIn PDF document text
  • http://vodabezoli.iblogger.org/46589626091.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380692/normal_5fe0199f110d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420608/normal_600b46688e263.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426090/normal_5ffcf85461434.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4386622/normal_5ff86f0815fff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426416/normal_605be3a4c7fd4.pdfIn PDF document text
  • http://datujizid.iblogger.org/learn_how_to_play_electric_guitar_for_beginners_free.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_df261415cf07455cabb93343481acd9d.pdf?index=trueIn PDF document text
  • https://bcbc83ff-a82b-4234-bf1d-c69e8cae54d5.filesusr.com/ugd/057c82_6f8f78e0ea6c4ddf88dc8fe506c203e9.pdf?index=trueIn PDF document text
  • https://144ece88-722e-4d59-a9d1-ae16887514c2.filesusr.com/ugd/48b17f_837e06994d4a473c968193ebb5af7f09.pdf?index=trueIn PDF document text
  • https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_c69a32b43b8a41e091c3219a69e2e3f3.pdf?index=trueIn PDF document text
  • http://pexapoxulimexu.epizy.com/pathophysiology_of_huntington_s_disease.pdfIn PDF document text
  • https://9a60fab3-6fb0-4be7-9305-b2e3cc44d963.filesusr.com/ugd/811c4f_fb37691a74fe4a9c93d35a98072472cc.pdf?index=trueIn PDF document text
  • https://8c1dc56a-a131-4b43-acff-3635b9115217.filesusr.com/ugd/90423f_b06efb71636b4889b80aad91ae2a3537.pdf?index=trueIn PDF document text
  • http://bubilegire.epizy.com/40371825046.pdfIn PDF document text
  • https://6549db4a-2265-4a40-b67a-eae3a26d05ed.filesusr.com/ugd/55f640_18c5a6d7445a4e75bbe05b58a8fca6a1.pdf?index=trueIn PDF document text
  • https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_754aabd6d17347d88e5fc6c8e173d1d1.pdf?index=trueIn PDF document text
  • https://3ecb585b-79b8-4502-8567-d9a17299c5c1.filesusr.com/ugd/4b874d_0fbec3cea04f40e4bfda2a5e26e55be0.pdf?index=trueIn PDF document text
  • https://3fb740b9-71d8-4183-8edb-de11b68c0a29.filesusr.com/ugd/1fbf8b_0d939b0ecb184f88820d596f8e84b8d5.pdf?index=trueIn PDF document text
  • https://9d349da1-218b-4b59-9e37-2a90cab56d40.filesusr.com/ugd/de9003_71f289c1b41249ecab8e3eba225d3954.pdf?index=trueIn PDF document text
  • https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_f5765e78e6bb49e787740f230bb37742.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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