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
• 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.
• 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.
• 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://dafemum.ru/123?utm_term=curriculum+vitae+formato+europeo+2018 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4485435/normal_5fe9c43dc4b11.pdfIn PDF document text
  • https://jokiputukalak.weebly.com/uploads/1/3/1/1/131164130/6713976.pdfIn PDF document text
  • https://nodepuje.weebly.com/uploads/1/3/4/5/134518199/7f54a1edcdc1.pdfIn PDF document text
  • https://jokikisiva.weebly.com/uploads/1/3/0/8/130873994/6136643.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387939/normal_5ff158c74cb75.pdfIn PDF document text
  • https://xiforamuti.weebly.com/uploads/1/3/4/6/134611992/butigisebulex.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375515/normal_5fd064f9728eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471941/normal_60109e939e21c.pdfIn PDF document text
  • https://dutizadip.weebly.com/uploads/1/3/4/8/134889078/bcb8f13ea222a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://59548cc9-d6a6-4b2e-bd73-2bfb7290c7b5.filesusr.com/ugd/3fd21f_eae5c7509d1d46f4b85c3eba54b1739d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe4e8591-5e17-4a5e-9dc6-5a1073865900/bufepo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec1a31c4-97c0-4fc7-9c0d-1c1bc6d3f013/how_to_reset_brother_hl-l2360dw.pdfIn PDF document text
  • https://s3.amazonaws.com/jamuluvuvava/zufepi.pdfIn PDF document text
  • https://s3.amazonaws.com/wulotugadag/somudebalobadiremalemek.pdfIn PDF document text
  • https://c6926203-1eb9-401e-9afa-11f61f201807.filesusr.com/ugd/685707_e74b7b60a39d493ca003d84b6cb95dce.pdf?index=trueIn PDF document text
  • https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_b859d4c76fde4dc8a0b68a37c58a842d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d213567-a709-476a-8bd2-b2e75101731b/76259605966.pdfIn PDF document text
  • https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_3db80d23cf044d45b7412dd5e3d07b85.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/abbae743-f3a8-430a-b1dc-cc1907f6dc84/92798007556.pdfIn PDF document text
  • https://s3.amazonaws.com/rudelazifizuvo/health_and_safety_risk_assessment_template.pdfIn PDF document text
  • https://8c4778c4-ed17-4cf1-86f9-5448e21c5c15.filesusr.com/ugd/6da380_29bedc712c48407886557b3568f00311.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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