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.
• Travel-support phone-number stuffing scam critical 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.
• 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.
• 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://ggtraff.ru/strik?keyword=what+to+spend+poetics+on+ffxiv In PDF document text

  • https://s3.amazonaws.com/felasorarabipis/74787554563.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/class_actinopterygii.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/kewata.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/2185744643.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370740/normal_5f8932373663c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389816/normal_5f8f530e535cf.pdfIn PDF document text
  • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/modasofibekozov-mifowatefovovo-mogeboluvawoxu.pdfIn PDF document text
  • https://xumogimunosu.weebly.com/uploads/1/3/1/6/131607683/d0ed3a08eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377116/normal_5f8e0e2083980.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376087/normal_5f8e97d0d813f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f8b4de260c04.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000077f7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000077f7.bin)
  • https://uploads.strikinglycdn.com/files/725a90f5-e17f-4035-b397-e28d202f3645/sapuxibe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94caa1a7-3da0-46aa-914e-c32960fcc9c2/bipixogawisezupesijus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3ae784d-901e-4bb2-903e-4581789dda85/gupepewobu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/623be774-6ad9-47ec-b2f6-3b6d0c05fd9a/bajelemugidem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7055e052-6c76-4ce4-8fa3-37ccf6369677/13446241838.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7e0747f-28c2-4390-863d-6e958b303b02/56432130297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18b8a0b4-c7a7-4fc4-bdbb-09a198f19ed4/zadidixafipimenotupedisa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a69081a3-515a-4b52-820c-644ee8e8c07e/pexufa.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_off000077f7.bin)

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