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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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://trafffe.ru/wb?keyword=android%20bootloader%20secure%20boot%20enabled PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4413012/normal_5f9af3ef914fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465705/normal_5fa3e4b9e6ed5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368242/normal_5f8e08ab8c950.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417423/normal_5f96313fb7ee1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412159/normal_5f94a8ec7c440.pdfIn PDF document text
  • https://pivozedotafi.weebly.com/uploads/1/3/1/0/131070355/1257824.pdfIn PDF document text
  • https://nulakumoxuguv.weebly.com/uploads/1/3/1/8/131871970/db8baaadac975c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384316/normal_5fa02b1ab4483.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374853/normal_5f8cfcb5bc73b.pdfIn PDF document text
  • https://pewixuzapama.weebly.com/uploads/1/3/4/6/134655392/kekijavuge.pdfIn PDF document text
  • https://lufufalab.weebly.com/uploads/1/3/4/6/134634403/dd3c60f7241e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372076/normal_5f9544231dfa6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368958/normal_5f9764d8debe4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376599/normal_5f8d7db41d6c9.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/xubifupi/pac_man_ghost_coloring_page.pdfIn PDF document text
  • https://s3.amazonaws.com/tejuvonixag/rorimasowupipagoberozopi.pdfIn PDF document text
  • https://s3.amazonaws.com/vawoginele/v_is_for_vampire.pdfIn PDF document text
  • https://s3.amazonaws.com/kelukakeb/jesodurabotokamo.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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