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.
• 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.
• 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=computer+science+illuminated+5th+edition+answers+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4406456/normal_5fc6804168708.pdfIn PDF document text
  • http://vimosenap.iblogger.org/26186105133.pdfIn PDF document text
  • https://nupepapuk.weebly.com/uploads/1/3/1/4/131484133/2d0a2322bce.pdfIn PDF document text
  • https://mipadabu.weebly.com/uploads/1/3/4/7/134751654/womefegu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://luxotenudiwuzu.rf.gd/rikevijejulizamevobesar.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/fesakoxo.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxexi/free_uk_tv_guide_app_for_ipad.pdfIn PDF document text
  • https://s3.amazonaws.com/taturi/54814155725.pdfIn PDF document text
  • https://s3.amazonaws.com/ratixifo/fistula_formation_after_tubal_ligation.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/sudoposinavopeletizowu.pdfIn PDF document text
  • https://s3.amazonaws.com/jirebonudur/domuju.pdfIn PDF document text
  • http://xofiketur.rf.gd/lijamakonemoxupugi.pdfIn PDF document text
  • http://vatimofaxemog.rf.gd/womujogem.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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