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=alimentacion+y+nutricion+pdf+minsa In PDF document text

  • http://gowanenutik.mypressonline.com/bromatologia_livros.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4418963/normal_60003baa04cd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407781/normal_600b3a1c41937.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488349/normal_60407e6c976bb.pdfIn PDF document text
  • http://tebafurunaxinuj.getenjoyment.net/delhi_bus_numbers_and_routes.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488815/normal_602d09bda473a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470040/normal_60297a87098b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471995/normal_6049bb5e7a724.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452850/normal_6012e7a93b0c4.pdfIn PDF document text
  • http://lezeninimi.medianewsonline.com/courageous_leadership.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://85377554-d84f-42a6-a955-c87f7d5d3d8c.filesusr.com/ugd/dd4472_9c03d41733464107b381c1e25c0af1af.pdf?index=trueIn PDF document text
  • https://21dbc830-6d60-48ad-8ab0-00d2b3cb69e0.filesusr.com/ugd/18d949_f7336464ddb54b348b95c7de79c19efa.pdf?index=trueIn PDF document text
  • https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_c0547648b281449892577c25d0ba779c.pdf?index=trueIn PDF document text
  • https://aa0e52d0-3c12-4d86-bfd3-e3284f950a51.filesusr.com/ugd/eb1974_4b3fc14ec9524ca69c5d7c3a43d75618.pdf?index=trueIn PDF document text
  • https://d80868e2-5d34-4dda-9345-0396294a35aa.filesusr.com/ugd/f9fac6_1b7789c608514c67973dd1cd21828181.pdf?index=trueIn PDF document text
  • https://78bdfa25-736e-4945-a764-db21511aacb9.filesusr.com/ugd/9bd82e_5118551a71944e41a790cac3c83679fa.pdf?index=trueIn PDF document text
  • http://nadiripu.epizy.com/kabukitufujewaguxabo.pdfIn PDF document text
  • https://52cfbdcc-51c1-4e85-ba83-ad74149b4620.filesusr.com/ugd/93d431_ce48a79347d54748ab98cc3e6e90d8b4.pdf?index=trueIn PDF document text
  • http://zokibepi.epizy.com/tefimovunag.pdfIn PDF document text
  • https://4db61c00-1078-4917-8a1c-a2c1480eb6e0.filesusr.com/ugd/c94206_41afc89d835047aeaff4f5e9a52e2da4.pdf?index=trueIn PDF document text
  • https://2df7536a-ab64-4dd3-a6ca-98e0eca144a4.filesusr.com/ugd/de578f_d8d2bc769f284504bb0c1fdd2e391a72.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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