Malicious PDF — malware analysis report

Heuristics 5

• 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://cctraff.ru/pify?keyword=android+6+launcher+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369904/normal_5f8d5cfb6c818.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4428035/normal_5f995a7f0db5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f871fdba6965.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375203/normal_5f8aaa9530d36.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387921/normal_5f8ff7154a822.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000970f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000970f.bin)
  • https://uploads.strikinglycdn.com/files/ab3d0bd6-b6da-4956-88cd-e6199081128b/celine_dion_albums_zip.pdfIn PDF document text
  • https://s3.amazonaws.com/loneminovu/73517426617.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5697/0914/files/design_patterns_in_typescript.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8b8a560-8365-4d31-a267-5869d3e1e7c5/tirilufamiforidodusejo.pdfIn PDF document text
  • https://s3.amazonaws.com/muvojugejoxip/mamusurobukejejesu.pdfIn PDF document text
  • https://s3.amazonaws.com/busutafitufe/xupogokexukosuj.pdfIn PDF document text
  • https://s3.amazonaws.com/jezaxojipevu/40373848261.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8334/8162/files/3178285361.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07791d63-2393-4cc8-b0c9-ca00e3e7568e/purob.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/36183163744.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7901/8912/files/beretta_nano_9mm_pink.pdfIn PDF document text
  • https://s3.amazonaws.com/vabemavuputenif/lupemoxoza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2738/4488/files/westinghouse_oven_manual_663.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9737/5388/files/free_download_spotify_premium_apk_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5608/6171/files/grand_summoners_tier_list_2019_jp.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/fabius_plus_xl.pdfIn PDF document text
  • https://s3.amazonaws.com/fezenur/hallelujah_chords_g.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4680fa2a-82e6-4978-a5b8-ebdc83a4ab34/3191265987.pdfIn PDF document text
  • https://s3.amazonaws.com/kudefem/jesakajereka.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_off0000970f.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000fcf5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000fcf5.bin)

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