Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cdn-cms.f-static.net/uploads/4469358/normal_5fa8a224c0fc0.pdf In PDF document text

  • https://s3.amazonaws.com/vutame/730750104.pdfIn PDF document text
  • https://s3.amazonaws.com/peveziwoguxuzam/seputebefofofibevezavav.pdfIn PDF document text
  • https://s3.amazonaws.com/bejideba/jurassic_park_music_sheet_for_trumpet.pdfIn PDF document text
  • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/gapulimodiji.pdfIn PDF document text
  • https://s3.amazonaws.com/jemazejodep/ap_gov_court_cases_to_know.pdfIn PDF document text
  • https://s3.amazonaws.com/tipikaxe/vesavopu.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/37405159996.pdfIn PDF document text
  • https://trafffi.ru/strik?utm_term=logo+quiz+nivel+1In PDF document text
  • https://sotodivejezaze.weebly.com/uploads/1/3/4/3/134391575/477c728.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b962.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b962.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off00010086.bin)
  • https://uploads.strikinglycdn.com/files/7c6d1aff-6aee-41f4-9a45-7916595e12dd/cuentos_en_ingles_basico.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0080397-d6cb-4235-8a80-4ef8bbe33e79/pcp_accepting_new_patients.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae0892a1-9d7d-40bd-b1a0-f3dbc227a44c/92741982992.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b3ae0df-6989-4aef-a2e4-63520b16892f/17389153289.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7723691-5e18-4f0b-a1cc-67dd375fd3d5/6513539517.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5b96bc2-fb74-4388-84e3-60b8a9cb0b81/surf_city_middle_school_staff_directory.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edd412b4-8389-4f9d-a4fb-cd1f40e60b98/goku_base_form_speed.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 extracted file (font_00_sfnt_off0000b962.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000eafa.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000eafa.bin)

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