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
• 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.
• 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://jottigo.ru/award?keyword=letter+of+recommendation+for+a+friend+for+a+manager+position PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4447253/normal_5fe918287eb7b.pdfIn PDF document text
  • https://xesapexoxes.weebly.com/uploads/1/3/4/6/134633169/e3f34c72.pdfIn PDF document text
  • http://test123test.xyz/tovirij4vgvb.pdfIn PDF document text
  • https://guzepebizosi.weebly.com/uploads/1/3/4/8/134880367/42bdbe9e6173.pdfIn PDF document text
  • https://rebomavarel.weebly.com/uploads/1/3/4/8/134883959/vaxewobinage.pdfIn PDF document text
  • https://wobakasufafe.weebly.com/uploads/1/3/2/6/132682589/zisotudusev_falovip_fafumuj_kupamaviko.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420037/normal_60121d8ce6730.pdfIn PDF document text
  • http://complect-tech.ru/essay_example_6th_gradezj8ab.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4365586/normal_5ffd3c021ecee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409992/normal_6020a985cc376.pdfIn PDF document text
  • http://mexicotop3.xyz/map_skills_worksheets_7th_grade8zopr.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e6f9d1db-9bad-45ba-a188-0e8e378e8087.filesusr.com/ugd/99b222_e64451942b7a4e209a857199e77f77e4.pdf?index=trueIn PDF document text
  • https://18cb0a1d-3822-48a5-9ca0-56465202bc9b.filesusr.com/ugd/96564c_facb87ab3a424d399a8d24cd9a3cef40.pdf?index=trueIn PDF document text
  • https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_4b4c0bf11c514d12979010c71a82d569.pdf?index=trueIn PDF document text
  • https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_a2e67e78672749f9af493143e2535bbe.pdf?index=trueIn PDF document text
  • https://4e4301d6-cc9a-4939-960a-6b497c1efea6.filesusr.com/ugd/d78803_97a36a67fd9f4d17bb3dc9e80de94713.pdf?index=trueIn PDF document text
  • https://69c5641f-197a-42c1-bef1-daa502c1f1d7.filesusr.com/ugd/948cea_80929eec9e114683838a538bdff77e73.pdf?index=trueIn PDF document text
  • https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_73f3bbd882054c369deed3eb12a92b28.pdf?index=trueIn PDF document text
  • https://01477de9-116b-42a6-a62c-54244336611e.filesusr.com/ugd/dea9e9_c7c4ddb6d86c42e1b20c4eebd1d23c01.pdf?index=trueIn PDF document text
  • https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_192fa44c89364511bcd1688940eb0d8c.pdf?index=trueIn PDF document text
  • https://19f621d4-ab03-49b5-bf1d-c78de40104d4.filesusr.com/ugd/bc84a3_7eac3b2c1b094756b09e30782fcc6dac.pdf?index=trueIn PDF document text
  • https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_2cf8cf59f69d40609eb16450bf52cfbb.pdf?index=trueIn PDF document text
  • https://920f4c01-5fd6-4c40-8b27-b99972fecb60.filesusr.com/ugd/d63aaf_b6f4599e27764df1ac7f4c95c83c8c98.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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