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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://trafficel.ru/wb?keyword=storyline%20online%20app PDF link annotation

  • https://gifidutuv.weebly.com/uploads/1/3/4/6/134666467/9654362.pdfIn PDF document text
  • https://wepejusekubikur.weebly.com/uploads/1/3/4/4/134441987/2987666.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402503/normal_5ff7ca6495e91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500889/normal_5fdc457bae486.pdfIn PDF document text
  • https://wipibafupegivu.weebly.com/uploads/1/3/4/8/134868488/tenolosovit.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448746/normal_5fbd32a47e342.pdfIn PDF document text
  • https://site-1202889.mozfiles.com/files/1202889/bullous_pemphigoid.pdfIn PDF document text
  • https://site-1177706.mozfiles.com/files/1177706/disneyland_hotel_tokyo_review.pdfIn PDF document text
  • https://site-1174886.mozfiles.com/files/1174886/27065743952.pdfIn PDF document text
  • https://site-1176253.mozfiles.com/files/1176253/wizuvidakuxivazafafoxaf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413111/normal_5ffb28726877b.pdfIn PDF document text
  • https://lulapusorifat.weebly.com/uploads/1/3/1/4/131436971/bupujuduwawibifiz.pdfIn PDF document text
  • https://site-1177862.mozfiles.com/files/1177862/piano_magic_challenge_tiles_2_download.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/tobobowu/area_of_triangle_using_matrices_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/tigovatolis/prince_harry_son.pdfIn PDF document text
  • https://s3.amazonaws.com/wusone/fibre_cement_sheet_screws_bunnings.pdfIn PDF document text
  • https://s3.amazonaws.com/lumixi/bmw_g650gs_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/womirofop/91239856795.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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