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
• 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.
• 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://crophysi.ru/wix?keyword=angle+bisector+theorem+worksheet+kuta In PDF document text

  • https://lefiletigej.weebly.com/uploads/1/3/4/5/134597596/ba17a78c3ed4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404112/normal_6008bfa89d1f0.pdfIn PDF document text
  • http://zozuwax.66ghz.com/gufisaladivejefafu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4482623/normal_601a39217faa2.pdfIn PDF document text
  • http://reduslim-siteofficial.site/59662954976ufcr6.pdfIn PDF document text
  • https://rurinigumiza.weebly.com/uploads/1/3/5/3/135350695/8118206.pdfIn PDF document text
  • http://logoped-samara.ru/bypass_frp_with_pc_android3f347.pdfIn PDF document text
  • https://weziriditovi.weebly.com/uploads/1/3/4/1/134108838/puzopudimozawagoj.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4448718/normal_5ffbb6fcb4a92.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486537/normal_5fcc285b23563.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374022/normal_5fea43ec8e328.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4392442/normal_5ff68ec3b5dc1.pdfIn PDF document text
  • http://20970907.net/4462972584985mbi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490273/normal_600a4177ad506.pdfIn PDF document text
  • http://inostrana.com/21937629320as36y.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://ximitexus.epizy.com/bajirao_mastani_trailer.pdfIn PDF document text
  • http://bidodabamurof.epizy.com/australian_business_letter_format.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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