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/strik?utm_term=adjective+order+exercises+advanced+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4389107/normal_601f9a8c5e77f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485809/normal_603098074297c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385436/normal_5feb2b2775a63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424010/normal_60501ac4197ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413004/normal_5fe6eaf342b5d.pdfIn PDF document text
  • https://widijozitumude.weebly.com/uploads/1/3/4/6/134688085/8673130.pdfIn PDF document text
  • https://sewatebemadog.weebly.com/uploads/1/3/1/1/131164437/2f399c00cac71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459337/normal_600bca6a1a0c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444117/normal_601148c11c8cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391649/normal_60222ffe7b884.pdfIn PDF document text
  • https://rinilevewabidu.weebly.com/uploads/1/3/1/3/131382630/2fca13ee5.pdfIn PDF document text
  • https://pimowaxe.weebly.com/uploads/1/3/5/3/135397576/fotivesefodub.pdfIn PDF document text
  • https://kususeni.weebly.com/uploads/1/3/2/7/132740764/dofejijadiwule.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393521/normal_60621a13a3133.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469103/normal_604f80f82738b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdacd5da-5cb3-4d2f-a579-3426de466994/nintendo_wii_release_date_uk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f3dc475-5a47-4fd4-a874-fee6f0bb1361/12324437821.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d2660e8-f9e4-40f6-92d2-185f6dbd0bba/an_american_childhood_prologue_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c9252c5-0d45-46bd-8faa-afafd1d8e543/22292939043.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/541e8d6c-913b-4466-b1f7-c1f3e0b9ab0e/95815181079.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d86e1a70-e983-4945-af2a-2777341bbe49/28845984680.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b806480-95da-44ff-97a6-c98d5bb8298d/jamman_stereo_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a43fd1ab-b20a-493a-a260-e0f7f66851c9/91419161351.pdfIn 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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