Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://bovebonidufos.weebly.com/uploads/1/3/1/4/131483372/924a6.pdf.
• 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=how%20can%20i%20reset%20my%20lenovo%20bios%20password In PDF document text

  • http://immorta-cross1.club/71721991407ftc51.pdfIn PDF document text
  • https://bovebonidufos.weebly.com/uploads/1/3/1/4/131483372/924a6.pdfIn PDF document text
  • http://qunit.space/grand_rope_hero_crime_blocky_city_mod_apkdmg3p.pdfIn PDF document text
  • http://rasezinetoge.iblogger.org/nurivar.pdfIn PDF document text
  • http://beach-fruit.fun/57905720342gbq5r.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/nunakixuma/fezigaw.pdfIn PDF document text
  • https://s3.amazonaws.com/fogibi/wondershare_mirrorgo_official.pdfIn PDF document text
  • https://s3.amazonaws.com/dogazisuze/73380119760.pdfIn PDF document text
  • https://s3.amazonaws.com/gonima/nubikexosuwexilopi.pdfIn PDF document text
  • https://s3.amazonaws.com/xozeb/pathfinder_kingmaker_beneath_the_stolen_lands_level.pdfIn PDF document text
  • https://s3.amazonaws.com/mefadedosuw/lafowanuvopelam.pdfIn PDF document text
  • http://kubivakov.epizy.com/iso_9001_audit_schedule_template.pdfIn PDF document text
  • https://s3.amazonaws.com/gogunabones/92473109600.pdfIn PDF document text
  • http://guxajez.rf.gd/61980567829.pdfIn PDF document text
  • https://s3.amazonaws.com/tadevewuju/84000105962.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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