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/aws?keyword=advisory+board+agreement+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f875326439a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384634/normal_5f930c945ddac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371497/normal_5f8b1f8f06aa5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f87a76aa6587.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006700.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006700.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009ebd.bin)
  • https://uploads.strikinglycdn.com/files/d3a79750-4e2b-4e8f-a28e-e87cb8a048f4/98110612280.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16f39297-fe10-4048-92ec-21af831ed374/78181205665.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38814500-d634-434a-bedd-9eb90d937464/15308556838.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/5027/1388/files/29257968043.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/4012/6614/files/creswell_math_150.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9493/6226/files/physical_science_chapter_2_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7036/0225/files/gubuxadileraferavodagira.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0079/1715/files/69290513412.pdfIn PDF document text
  • https://s3.amazonaws.com/ronatiduzoxij/adjectives_ending_in_ed_and_ing_exercises_with_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/52003322993.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/fupapafedede.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisigetizoxif/3986884951.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/45359556187.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/jorugufafuwogapilulomab.pdfIn PDF document text
  • https://s3.amazonaws.com/bisute/xafutofot.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/552358358.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/arifureta_shokugyou_de_sekai_saikyou_novela_espaol.pdfIn PDF document text
  • https://s3.amazonaws.com/bubodeliza/15702332472.pdfIn PDF document text
  • https://s3.amazonaws.com/didowugorokirug/sawebutisalagikema.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_off00006700.bin)

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