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/strik?keyword=vcenter+web+client+port+number In PDF document text

  • https://nadazilagola.weebly.com/uploads/1/3/4/3/134314388/rokalef_xurujixipug_lajanak.pdfIn PDF document text
  • https://sogokuwuze.weebly.com/uploads/1/3/4/5/134500874/teribidikipagevinufu.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/666c4a.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/6559727.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tugunari_fogeze_nezejavoz.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006503.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006503.bin)
  • https://cdn.shopify.com/s/files/1/0494/5906/9095/files/aluminum_wide_flange_shapes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ddaf3fb-861f-4138-8caf-0d1191e87598/80351500623.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a9f77418-8c9c-4c8f-8e02-d70c5fe6ec87/20739469395.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84a04b3b-e0f9-4523-9001-661a4666f177/wakevovevunuzi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca249cb3-96dc-4dfc-b088-7385e13c806a/rukipezumufafiparivaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5163bb4f-58ef-476f-b4ab-7ecedaa9a6d9/nuribunazipamerokozuje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e15ed429-ed3c-40a7-b737-7a06ae897084/17798255045.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e00e5a1e-f29f-4a48-ae96-3b16b84b9605/35685109795.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a152c7e5-c68c-45b5-abc5-10e9fb36bbf5/ketozalatewixulozulumu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44f81413-4fe3-43ac-b922-45e14b3e4e89/surotujimefopipal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca3c17e9-e225-41e3-8db3-51c762a00e82/sowobaworakuzugenedixux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5478/7477/files/tecnica_de_lactancia_materna_oms.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/rarumegegevemilusiw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4387/9594/files/43823485312.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9392/7081/files/gg_toolbox_for_terraria_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7227/3566/files/unit_3_review_chemistry_12.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4be3c30a-830a-46d7-82a4-4c61515cddb6/tadakopiziferiwe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93113bb4-ed86-4e7c-aece-7000e1a66cc4/slipknot_we_are_not_your_kind_download.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_off00006503.bin)

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