Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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
• 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/aws?keyword=pan+card+nsdl+correction+form+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f8af6badb161.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f87517a3f182.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378607/normal_5f8f3c4674450.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f8703ed89506.pdfIn PDF document text
  • https://jabiratunibi.weebly.com/uploads/1/3/2/6/132683422/jujogarapogaber-roranisog-puvira-luxezux.pdfIn PDF document text
  • https://ralututoj.weebly.com/uploads/1/3/4/4/134457658/nawijejiwarowa.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/kelozom.pdfIn PDF document text
  • https://godadonalizubo.weebly.com/uploads/1/3/1/4/131437317/863c11b58171e.pdfIn PDF document text
  • https://jepupuwupojuv.weebly.com/uploads/1/3/4/4/134481076/5150122.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000719b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000719b.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000bdde.bin)
  • https://s3.amazonaws.com/bulozor/malayala_manorama_newspaper.pdfIn PDF document text
  • https://s3.amazonaws.com/bubeto/bsc_1st_year_inorganic_chemistry_notes_download_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/gezetega/kuvosijafuwojuwexo.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/gitofijavovorevujosovobos.pdfIn PDF document text
  • https://s3.amazonaws.com/rujimidujek/female_foeticide_and_infanticide_in_india.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08dfac0b-4ad6-4841-a5a6-765face6aa2c/pobowitagameri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd5426da-fe9c-48d0-8606-f227b38a52a4/80215859104.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a87a16b-92c6-4079-979c-c649b8a429bf/fejok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0b9a664-5608-4748-87b6-e9cceba21a85/wow_dk_glyphs.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagoba/application_of_adsorption_chromatography.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/hard_animal_word_search.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/53606185724.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_off0000719b.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a8c7.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a8c7.bin)

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