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://ttraff.link/aws?keyword=asientos+de+ajustes+contables+pdf In PDF document text

  • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/2951016.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/db38ff4391e1eff.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/guzesotew_mepoxilazin.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368235/normal_5f92e2d0cce9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385014/normal_5f8da385bd588.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369933/normal_5f94233439d29.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000647a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000647a.bin)
  • https://uploads.strikinglycdn.com/files/d2ff7e25-5f73-436a-acdc-6cd1c2629099/excel_2016_bible_epub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/045cd4ee-6bee-4a4f-af58-d4f22ddf5adc/80366188742.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b41908a9-3e97-4537-afd3-f907c78db7ef/sunuvumuwodumij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2890762-f6d9-47dd-97dd-23a3622257e6/72204957431.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66cc75ff-8923-4ba9-b53c-00b84f3ed9e6/86323005180.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2626/7291/files/kagonanukuvozokudomevivak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7462/3928/files/47965793341.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e100b62-99da-43ed-b438-099757a1aad5/12497942699.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45b8e07d-35b1-4906-938c-d7cf9f552b3b/15918793863.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8d4156a-5338-4fb9-bd52-3ef2f9f8febb/tubuvi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cca917ee-d612-4f39-9af1-ba19573fc2d5/ritikare.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a108438-5715-4da5-a43e-41993b61b0a2/dowuvulisupexolik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0699/2799/files/resident_evil_remake_weapons_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5119/6314/files/plastic_hanger_snowflakes.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_off0000647a.bin)

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