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://vilenefex.ru/123?utm_term=como+descargar+aplicaciones+android+en+windows+10 PDF link annotation

  • http://bezivodediz.iblogger.org/46377997895.pdfIn PDF document text
  • https://feropozu.weebly.com/uploads/1/3/1/4/131454035/8567505.pdfIn PDF document text
  • https://gugozakeku.weebly.com/uploads/1/3/4/5/134588211/7799774.pdfIn PDF document text
  • https://pijetupuz.weebly.com/uploads/1/3/4/3/134351396/noneramulifilu.pdfIn PDF document text
  • https://subinekole.weebly.com/uploads/1/3/2/6/132695692/durusajusod-nareja-rilutepobera.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://s3.amazonaws.com/wujafivabipo/vufasapuwamuvifu.pdfIn PDF document text
  • http://livajurusurex.epizy.com/remington_700_action_truing_jig.pdfIn PDF document text
  • https://87b84290-c0b3-4c73-97a1-3d59c64c3f69.filesusr.com/ugd/c638b7_0c500703322245d8a669baae9a930946.pdf?index=trueIn PDF document text
  • https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_1b5c9b4a95e2452fb9da217797264056.pdf?index=trueIn PDF document text
  • https://9b56c271-8e60-4ff0-96d1-8930f8c082f8.filesusr.com/ugd/5a1ab0_201c11adadc649ed8bfb320497c1ea9c.pdf?index=trueIn PDF document text
  • https://2ddc7431-ff91-46e9-9708-195efd6cc195.filesusr.com/ugd/ffe0d3_78b683d7b3b942939c498b1c6f31ec7e.pdf?index=trueIn PDF document text
  • https://769966b8-4adc-437e-bba8-f198cf6e171b.filesusr.com/ugd/41a0b6_7e36fcff42014a27bbeac5f513ee9882.pdf?index=trueIn PDF document text
  • https://8fa10226-37c2-454d-bd65-ced70ecbf0c4.filesusr.com/ugd/c34aa9_10921ce4f72d4a7d9a1b1d710476ba03.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lazesej/fosowenosofosafatolu.pdfIn PDF document text
  • https://f1c0478e-57b3-422a-b8eb-433964b677d2.filesusr.com/ugd/16c17d_0643dc98061349e59fe0d791b26ff8ae.pdf?index=trueIn PDF document text
  • https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_2bc81a4736b24657a549b466deb15721.pdf?index=trueIn PDF document text
  • https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_2e35e9fe61d04a61be2c5adb2257df50.pdf?index=trueIn PDF document text
  • https://78e27e65-9996-4239-a63d-7a21722db537.filesusr.com/ugd/03f576_3ac13ddc24034b1890dd5b17101b4234.pdf?index=trueIn PDF document text
  • https://e31b828f-dd5d-4b35-abba-5777d5fc2ed6.filesusr.com/ugd/56a8cc_8bfbb649c5b6455bb69f0b6f986614d0.pdf?index=trueIn PDF document text
  • https://47c0d0ed-94e3-447f-940a-e265262d053f.filesusr.com/ugd/a43ec6_5d6142fa97564eb08f137cbfc6428249.pdf?index=trueIn PDF document text
  • https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_9347b7897d9142e9a75b4ec35c2b924b.pdf?index=trueIn PDF document text
  • https://ab0007c4-58ca-4db2-ab23-686bae4d53c1.filesusr.com/ugd/8bf248_003c89292a4c4dde8853382d69b52af3.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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