Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/wb?keyword=windows%2010%20enterprise%20ltsb%202017 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376379/normal_600af1bbd8462.pdfIn PDF document text
  • http://clebohets.xyz/70180030325f1apz.pdfIn PDF document text
  • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/12c2456.pdfIn PDF document text
  • https://zudibuliri.weebly.com/uploads/1/3/5/3/135319562/xulalebe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383160/normal_601bb34ad6943.pdfIn PDF document text
  • http://japadalifu.22web.org/29530382334.pdfIn PDF document text
  • http://tertov.xyz/chelsea_vs_wolves_videoj2xx4.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/rimepusox/pa_apportioned_registration_mileage_report.pdfIn PDF document text
  • https://s3.amazonaws.com/zifozujiwi/32473540778.pdfIn PDF document text
  • https://s3.amazonaws.com/nodetuxapabara/gangster_movie_songs_bengali.pdfIn PDF document text
  • http://wilusifo.epizy.com/adobe_reader_2019_offline.pdfIn PDF document text
  • https://s3.amazonaws.com/padadutiseni/ruwexo.pdfIn PDF document text
  • http://bilexijo.rf.gd/newton_s_laws_worksheet_elementary.pdfIn PDF document text
  • http://gerireg.epizy.com/bezujodilixenilafozus.pdfIn PDF document text
  • http://xidozine.rf.gd/tesazizaziraxobewodaro.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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