Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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
• 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/strik?keyword=machance+sgubu+remix+baixar In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378853/normal_5f8da342a7035.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382192/normal_5f8d61b6e834b.pdfIn PDF document text
  • https://zevigetadafuwun.weebly.com/uploads/1/3/0/9/130969942/melita.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/0995ab0829f.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/jaloxi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369660/normal_5f88ee0881cfb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386830/normal_5f92291e8ead2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367667/normal_5f874a7b77220.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372080/normal_5f8921ad2ab32.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375194/normal_5f94e8a12eb28.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000080f7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000080f7.bin)
  • https://uploads.strikinglycdn.com/files/f7682184-d880-4851-b230-d5e75e8cdc72/vorure.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebf49e7f-3498-4db9-b493-1a6885600fd4/bts_jimin_blood_sweat_and_tears.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2b93f53-f867-4f70-8e1c-21c99d73063b/55748401816.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46bda677-aa42-4b74-824a-9d5367865fb6/notazediwubobebaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73564e10-dcfc-453b-8ad8-f80209f8287f/live_gaming_on_windows_failed_to_ini.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6a00deb-b6d9-433e-89fc-f3198f964ee7/kapavo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7458e270-a495-40b8-ac4d-eb7543717e2c/lagejojezodane.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa4e709b-c034-4300-b95b-000dd238a00a/77767192801.pdfIn PDF document text
  • https://s3.amazonaws.com/livivuvuwugeb/vobogijiwenojozafisuzis.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/argemone_ochroleuca.pdfIn PDF document text
  • https://s3.amazonaws.com/tajimipojimo/punexitos.pdfIn PDF document text
  • https://s3.amazonaws.com/dotivaf/14999781124.pdfIn PDF document text
  • https://s3.amazonaws.com/gavexilatuvitaz/scert_books_in_hindi.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_01_sfnt_off000080f7.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000ba3a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000ba3a.bin)

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