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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://yafferge.ru/award?keyword=software+engineering+pdf In PDF document text

  • https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/zajatorewugej.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380701/normal_60075ebb4d6d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393349/normal_6012a17f6ba7d.pdfIn PDF document text
  • https://wibabuxef.weebly.com/uploads/1/3/1/3/131380054/zimevujibonikimuw.pdfIn PDF document text
  • https://vuzanodunujow.weebly.com/uploads/1/3/5/3/135350892/bojovu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500692/normal_604000bd6a5fd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4462350/normal_5fcf89a30442f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://8c77b9b7-c39b-43d6-9406-6086bd2c0f93.filesusr.com/ugd/ee6770_ede78261c95a45c8ac51cb2aa78ed4b2.pdf?index=trueIn PDF document text
  • https://425e2ee7-996f-4c6d-a593-b44a2a39b733.filesusr.com/ugd/bb05c1_df26b1e3445f47ffaa7394172d7cf88a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/wozowuledij/boluxajupijikox.pdfIn PDF document text
  • https://49b7c339-fea6-4bb3-bf7b-ca47af5263df.filesusr.com/ugd/6ca12d_46698b23197f4c3eaf7469719b3b9289.pdf?index=trueIn PDF document text
  • https://b7c6a474-53ed-4139-af63-4b2f501ae0e7.filesusr.com/ugd/e87294_bc5e3e908a3e46bb8cabcd17a184d836.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kibavutibeved/lojil.pdfIn PDF document text
  • https://e2604e0b-f95a-4acb-b53f-a7db3827b2a1.filesusr.com/ugd/225520_592689e4acaa4cd19fe5b0c55194fc34.pdf?index=trueIn PDF document text
  • https://50b7e5d6-ab0e-41ff-bbcb-47d024e5c277.filesusr.com/ugd/45d8ab_2f1c26066a6547a3b1c4d20d459f9dc6.pdf?index=trueIn PDF document text
  • https://e5baaea7-7007-41de-9367-4ebf3ed55875.filesusr.com/ugd/8e1900_2933a9e326bc414a803e202f756bd469.pdf?index=trueIn PDF document text
  • https://1a2149e7-ca7f-4e7c-a584-0e483de6f3af.filesusr.com/ugd/9219f8_5ac3004c98c14cba996c9ccd01f47065.pdf?index=trueIn PDF document text
  • https://9526c93a-d340-4dca-b5fd-2864ff0888c4.filesusr.com/ugd/4c3d6a_988c4c95b69a4e69a7fbf6cfea82c11b.pdf?index=trueIn PDF document text
  • https://cf4de027-7369-46c2-bf93-d69cabef2b5e.filesusr.com/ugd/868b90_af6cb2a10b8e41fcb7e9f26524da2204.pdf?index=trueIn PDF document text
  • https://76df98a8-3e94-4eee-a6f5-23e1de06049b.filesusr.com/ugd/54c74c_4105b52e24294f15b505a9a1fef14a67.pdf?index=trueIn PDF document text
  • https://b7e73dfe-ad35-4791-b4f7-7500f5b7882c.filesusr.com/ugd/bc79a4_ae44ded07da44ee08303328411870106.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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