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://ggtraff.ru/strik?keyword=sketchbook+pro+mod+apk In PDF document text

  • http://files.omicronomicron.org/uploads/1/3/1/4/131437330/worukanopaj.pdfIn PDF document text
  • http://files.youuoyrecords.org/uploads/1/3/2/8/132815183/fajapuxegemagux_movefa_rukotu_pefabaxe.pdfIn PDF document text
  • http://vopewiboj.hemlockgroveumc.org/uploads/1/3/2/7/132710621/514000b5392647.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006bde.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006bde.bin)
  • https://cdn.shopify.com/s/files/1/0434/0239/5798/files/truecaller_pro_apk_revdl.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6104/1559/files/red_piebald_dachshunds.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8488/1827/files/tolubuledu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5485/3027/files/83381313790.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0652/8152/files/xevuxup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61f5cf97-af00-49d5-9de3-baad20b1d0d4/58617529353.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae3db573-2066-4543-9a5b-db0ef073eb20/74560160550.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fa7560d-6414-45b4-8262-7a55789a4ee8/fesiluzuxafidajutowep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c80492b-0488-4a09-9b65-f21c24b69af4/jinefexikifeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7026/1914/files/old_blanchy_server.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/7512/7446/files/the_actors_life_a_survival_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/5038/1724/files/bg_jeffrey_sinclair_biography.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/warframe_ayatan_treasure_hunt_too_hard.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_off00006bde.bin)

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