Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://jacksth.ru/infin?keyword=voltdb+performance+guide PDF link annotation

  • http://sosed.market/31634804017efvfb.pdfIn PDF document text
  • http://baugroup.info/gowaguwosopafarofev15q3.pdfIn PDF document text
  • https://kumajevebak.weebly.com/uploads/1/3/1/8/131856027/dejipoketelidubogi.pdfIn PDF document text
  • https://vidokabotofasi.weebly.com/uploads/1/3/4/8/134868814/renunefovofim.pdfIn PDF document text
  • https://kaledawuvilef.weebly.com/uploads/1/3/4/7/134727412/8812448.pdfIn PDF document text
  • http://huaweistoreukr.xyz/escape_alcatraz_swim_2019vtgbe.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465924/normal_5fc672081b9da.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415300/normal_5fffd91fc91fe.pdfIn PDF document text
  • https://dubibezu.weebly.com/uploads/1/3/1/4/131453247/rakugaxozasovuri.pdfIn PDF document text
  • http://lasns.fun/newegg_cyber_monday_20194ypqj.pdfIn PDF document text
  • https://zadopelujon.weebly.com/uploads/1/3/4/8/134884154/3089771.pdfIn PDF document text
  • https://muboxofibadufus.weebly.com/uploads/1/3/4/3/134310828/xisegej.pdfIn PDF document text
  • https://xiresipi.weebly.com/uploads/1/3/1/1/131164504/3394432.pdfIn PDF document text
  • https://nezuwiwobitedut.weebly.com/uploads/1/3/4/6/134600585/6213975.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://faxunarin.epizy.com/zajudewirupiwitokupawosa.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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