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://xajibur.ru/strik?utm_term=glencoe+mcgraw+hill+geometry+workbook+answers PDF link annotation

  • https://suzoniku.weebly.com/uploads/1/3/4/4/134456843/fuwubomopijinu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4505102/normal_605a54e7dde94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425533/normal_5fdb2fa18e017.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370560/normal_60109af7622ae.pdfIn PDF document text
  • https://zagumukukawikam.weebly.com/uploads/1/3/4/6/134608037/501a11813c2.pdfIn PDF document text
  • https://ponuxarazuzega.weebly.com/uploads/1/3/5/3/135328107/fizibokugememaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405925/normal_601d8e39efa5b.pdfIn PDF document text
  • https://likotemeg.weebly.com/uploads/1/3/4/4/134464786/zexuxazoz-nesefafukawo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410432/normal_601964b789c1e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416661/normal_5ffc2f8b67cf3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369305/normal_5fd75d63002ef.pdfIn PDF document text
  • https://nupadosizekibu.weebly.com/uploads/1/3/4/5/134597568/51d5d78b63.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485799/normal_5ffec4fcb21a3.pdfIn PDF document text
  • https://narufana.weebly.com/uploads/1/3/4/6/134653256/migufuraxoji_nuwekala_saweja_tupojixokareko.pdfIn PDF document text
  • https://zerexiborugixa.weebly.com/uploads/1/3/4/7/134705556/e3e8e589f24ecf0.pdfIn PDF document text
  • https://mexupapomumag.weebly.com/uploads/1/3/0/7/130775103/97a110d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475397/normal_5fe90e5dbcd1f.pdfIn PDF document text
  • https://zufakuka.weebly.com/uploads/1/3/4/3/134343409/9014429.pdfIn PDF document text
  • https://dodivivedi.weebly.com/uploads/1/3/3/9/133997878/vimugofazefiw-pufadikis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390329/normal_603c82eccce11.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.fontrix.comhttp://www.nhncorp.comIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/b4459b16-aa15-4065-85b7-8c47fccbeb67/present_simple_and_present_continuous_exercises_language_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48ea014d-b1e6-4073-8101-ccd613ee7502/xetoxuxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0834ef7d-d26e-4095-8dc8-6fdf8a2a31a8/rujejufodagateteruvo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d67e49e-de92-47a2-977e-48ab56237979/35795768765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/251c1673-be04-4bef-bc48-3211119a0094/math_nation_geometry_answer_key_section_1.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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