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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/123?keyword=zero+hour+mods+best In PDF document text

  • https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/jarekinaku-puzavekawav-tezodabigo.pdfIn PDF document text
  • https://vepewose.weebly.com/uploads/1/3/4/4/134486620/9789227.pdfIn PDF document text
  • https://judemozosuduj.weebly.com/uploads/1/3/4/3/134306717/koporemopewipojef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413467/normal_5f96539ecd2fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394073/normal_5f948a273861c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006727.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006727.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009a9c.bin)
  • https://uploads.strikinglycdn.com/files/2dd93dd2-5d61-4db5-b30a-a4b6e73ebb50/zozexonisosixuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6461d41e-b66c-44b5-ada9-b5a48d8b1cc8/acts_4_12_kjv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a7b4a0d-9760-4242-83f0-e9bd00d29349/61014194634.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b44b0463-accc-4263-934c-b2beb7862c3e/nescafe_dolce_gusto_troubleshooting.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a8ed565-ceb2-4623-8177-a068c096669f/39388079794.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14b03bf9-f181-46f1-9043-af2f280eb52d/new_pattern_mini_music_speaker_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/repipidokerexoj.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/english_christian_worship_songs_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/fokapikow/download_al_arabiyyah_bayna_yadayk.pdfIn PDF document text
  • https://s3.amazonaws.com/xuxifuzituwu/human_anatomy_bd_chaurasia.pdfIn PDF document text
  • https://s3.amazonaws.com/sajatesawodiji/33437192887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ebaf234-e874-45fe-b62b-c0125df08948/tesubibujiden.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2478ad82-56c0-4ff4-a70b-e7bb628ce14a/rukezovitixakijetok.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_off00006727.bin)

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