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
• 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
• 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://traffset.ru/aws?utm_term=biochemistry+book+pdf+drive PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4377401/normal_5f979174e5ac2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443610/normal_5fa448b3e2bf5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393359/normal_5fa3cdfc49116.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403534/normal_5f98adba671d8.pdfIn PDF document text
  • https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/tibon.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387925/normal_5f990451eb444.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369522/normal_5f88acc1c954b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446490/normal_5fb2dcd4e483a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460232/normal_5fa6b867b6a81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415291/normal_5fb3e7638024d.pdfIn PDF document text
  • https://notaxivarem.weebly.com/uploads/1/3/4/6/134633458/ff06b79.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369336/normal_5f948f6c956a1.pdfIn PDF document text
  • https://lesemaxaje.weebly.com/uploads/1/3/4/6/134617162/2412786.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ff8c691-a993-47da-98cd-9d83229f2463/jugabo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4245d62-d838-42fd-bbcb-2b47505d7392/funewimebeke.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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