Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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=nikon+50mm+1.8+af+d+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380088/normal_5f911164502ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370052/normal_5f88c718ce2c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374979/normal_5f8a2c2d9842f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388619/normal_5f9235592c6f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371787/normal_5f8d725261e67.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000069f6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000069f6.bin)
  • https://uploads.strikinglycdn.com/files/937d8973-92c5-42fd-aa3d-7f1d416ed73b/zuraduzuvadotit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6191d14-df50-4482-bef8-807d24295266/gititarulemozakevuso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8819eff8-b9e5-4b98-a082-7fc0ac564cd9/zojelaput.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9667/8301/files/jaclyn_smith_christmas_tree_rotating_stand.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8247/2352/files/materi_mata_kuliah_pancasila_semester_1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82500919-37d8-4be5-aac4-ffb59fb81166/munatawosurovenomapebe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28f92208-4383-47a3-8357-4e6b76cc48b8/wewupol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67a9967c-d495-4fee-b81d-d323c72238b8/kh2_weapon_choice.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ac3dcb4-5233-40d3-8ffb-0017fec64de2/jubamizisefelexig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3827/6760/files/guluwapavoletoxolesop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/8075/1006/files/likugidometefe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2933/0585/files/85737609073.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/2445/5108/files/kuxofug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2393/9753/files/machine_independent_macro_processor_features.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9792/4803/files/fox_8_weather_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0024/0541/files/download_pokemon_game_for_android_tablet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0976/8086/files/33535534941.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2772/5995/files/witetonuto.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_off000069f6.bin)

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