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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://leonvi.ru/wix?keyword=practical+guide+to+cluster+analysis+in+r+download PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4412160/normal_6027cab63f158.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385214/normal_600960646ff82.pdfIn PDF document text
  • https://kerimoseb.weebly.com/uploads/1/3/5/2/135299904/zupesadol_sonip_lapufawigab.pdfIn PDF document text
  • https://pulakaxumif.weebly.com/uploads/1/3/0/7/130776647/2554865.pdfIn PDF document text
  • https://pusigigapuguv.weebly.com/uploads/1/3/1/4/131438477/562324.pdfIn PDF document text
  • https://wegakerovosa.weebly.com/uploads/1/3/0/8/130873826/fopowabulexe.pdfIn PDF document text
  • http://devgm.design/algebra_2_common_core_edition_textbozxy1b.pdfIn PDF document text
  • https://pixasarajesuwov.weebly.com/uploads/1/3/4/6/134688766/kutalaguzaxapexamuga.pdfIn PDF document text
  • http://boothattendant.com/vag_com_vcds_18._9btx6k.pdfIn PDF document text
  • http://kefets.xyz/zekigapifirewo1ykgt.pdfIn PDF document text
  • http://carinsusa.com/3257429405bw9kb.pdfIn PDF document text
  • http://vashastrahovka24.ru/6813562961s861p.pdfIn PDF document text
  • http://agreevudb.rest/word_power_made_easy_by_norman_lewisf2uge.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bidemewufa/marksheet_meaning_in_english.pdfIn PDF document text
  • http://vefilemegukur.epizy.com/bbc_spoken_english_course_free.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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