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://yubit.co.za/YmrXLWy8?keyword=enthalpy%20of%20incomplete%20combustion%20of%20methane PDF link annotation

  • https://kitupiver.weebly.com/uploads/1/3/4/4/134446404/rebokimusu.pdfIn PDF document text
  • https://e-ceramika.pl/userfiles/file/97508192840.pdfIn PDF document text
  • https://javetepamez.weebly.com/uploads/1/3/0/8/130814931/318153.pdfIn PDF document text
  • https://gikenizebos.weebly.com/uploads/1/3/4/7/134706738/85b2baea5b4.pdfIn PDF document text
  • https://zoxitujiwa.weebly.com/uploads/1/3/2/3/132302939/zezolisawulada.pdfIn PDF document text
  • http://dirk6.3pi.org/images/uploadedimages/file/95543976189.pdfIn PDF document text
  • https://fotinodonana.weebly.com/uploads/1/3/4/6/134692009/7204933.pdfIn PDF document text
  • https://www.potravinyav21.cz/ckfinder/userfiles/files/14552846408.pdfIn PDF document text
  • https://gitumakiwu.weebly.com/uploads/1/3/1/4/131437138/pepiwojonuwoxolo.pdfIn PDF document text
  • https://vikurevago.weebly.com/uploads/1/3/1/6/131606257/34c11c8e.pdfIn PDF document text
  • https://gebejisidimi.weebly.com/uploads/1/3/5/3/135302949/e6fe5b2a23919.pdfIn PDF document text
  • https://tovoginimu.weebly.com/uploads/1/3/4/3/134379987/gomizapugojoxade.pdfIn PDF document text
  • https://xutekesavugev.weebly.com/uploads/1/3/5/3/135316407/7e379a70189dcfa.pdfIn PDF document text
  • http://boras-sjuharad.boj.se/uploads/userfiles/files/20178758719.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/52985243876.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off000162b0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000162b0.bin)

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