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.
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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://gettraff.ru/wb?keyword=columbia%20junior%20high%20school In PDF document text

  • https://cdn-cms.f-static.net/uploads/4406464/normal_5f9d2b51023c2.pdfIn PDF document text
  • https://s3.amazonaws.com/napisakaluja/69280454047.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374533/normal_5f9a63c578520.pdfIn PDF document text
  • https://pasuzexogisinib.weebly.com/uploads/1/3/4/2/134266431/3896138.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390350/normal_5f91d27e727dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384645/normal_5f93572a8b661.pdfIn PDF document text
  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/mevaxapun-pinugese.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369343/normal_5f88a0d3923d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f8920cadbd97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402936/normal_5f94be9c7fe60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403533/normal_5f9d593430ea4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000073d6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000073d6.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000abbd.bin)
  • https://cdn.shopify.com/s/files/1/0503/3741/5353/files/ramefodevibad.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_off000073d6.bin)

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