Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://dafemum.ru/wix?keyword=completing+the+square+worksheet+math+154b In PDF document text

  • https://static.s123-cdn-static.com/uploads/4416132/normal_5fcc5bedc7075.pdfIn PDF document text
  • http://meblik.su/how_to_get_into_navy_flight_school3nnzb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407989/normal_601760df6d7d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413701/normal_603581c3a4c35.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457857/normal_5fcc947ff13d3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407085/normal_5ff28e4537afe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447436/normal_6009ff3ac7355.pdfIn PDF document text
  • http://samettemiz.xyz/sketchup_pro_2018_windows_10mchec.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487399/normal_5ffabb1294fdc.pdfIn PDF document text
  • http://buloshnaya.site/gerencia_estrategica_humberto_serna_librogtxq8.pdfIn PDF document text
  • https://topizamo.weebly.com/uploads/1/3/4/4/134435864/ripidupomasasefera.pdfIn PDF document text
  • https://topipanonotege.weebly.com/uploads/1/3/4/6/134679812/6715475.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://kijemuf.epizy.com/12250381167.pdfIn PDF document text
  • http://labazorev.rf.gd/bless_online_pc.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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