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://cctraff.ru/strik?keyword=navodaya+vidyalaya+admission+form+pdf+download In PDF document text

  • http://lelat.thehonestytree.com/uploads/1/3/1/6/131637308/476257.pdfIn PDF document text
  • http://files.adjusters.quickcatclaims.com/uploads/1/3/1/0/131070051/27e13.pdfIn PDF document text
  • http://files.thelifeofmrstucker.com/uploads/1/3/1/4/131438604/bumurejudanemenaveb.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007cb3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007cb3.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_02_sfnt_off0000b2f4.bin)
  • https://uploads.strikinglycdn.com/files/78fa4a6a-4359-4990-b965-4322d1b15c91/47489253056.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8238d24d-bfda-41e0-919b-0bff6c86aed4/47698495893.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d18127e5-2860-4937-aaa2-f9b2ee767c4e/kebezed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/2147/8306/files/vigukixijokego.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6930/3701/files/growing_veggies_in_south_florida.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5671/6186/files/teefa_in_trouble_2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4477/2759/files/49660611225.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbafb7e9-d666-42a7-aabd-df18a20857b8/53320796788.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a66b94d-2584-47f4-8c78-cb3923c3c986/793819953.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/775dea5c-6e27-42e9-8699-ae426cf62c6d/37268311416.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cfd080a-6a39-4e33-bc2f-6b8146be68b8/vegajaxibavenupugewer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc6c17c8-2744-490e-9c4d-7e2534cac020/walijarevekirepaj.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_off00007cb3.bin)

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