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/aws?keyword=the+ark+and+the+aardvark In PDF document text

  • https://mepetimis.weebly.com/uploads/1/3/1/4/131483418/986777.pdfIn PDF document text
  • https://sasakafu.weebly.com/uploads/1/3/4/3/134371045/9832142.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a3db.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a3db.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000dd12.bin)
  • https://uploads.strikinglycdn.com/files/7e529b8c-e83c-4a96-b42f-6fb072db80aa/latun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8307/0629/files/tusagirotumubixa.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/a_level_biology_revision_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a6b907-34cd-498d-811b-f457f549df78/16237923437.pdfIn PDF document text
  • https://s3.amazonaws.com/zuwimadaneb/schumacher_battery_charger_portable_12v_6_2_amp_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/ganorekugevedusobubaxi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96e74dbe-383b-4f5c-9704-84b9f71575c2/parker_knife_price_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/temujonuwu/nigilanopoxadugu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdb146e6-dfa2-4331-aa46-2f6d85121c99/79380367104.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2393/9753/files/nominalisierung_bungen_c1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3550/7358/files/psr_270_yamaha_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/pazovugal/b_pharmacy_1st_year_books_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7456/7843/files/86978322022.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8309/3910/files/fruit_of_the_loom_hoodie_size_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ca66c79-1184-477e-b97f-a5d8fb03385f/nikat.pdfIn PDF document text
  • https://s3.amazonaws.com/lezopobigeza/naxubosogowaxawogun.pdfIn PDF document text
  • https://s3.amazonaws.com/sitok/kalutazajatowemuzetaso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d9f53f4-2b87-45d0-9f9b-20ca9ea5ac6b/the_american_promise_volume_2_6th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/vukumesoj/roposig.pdfIn PDF document text
  • https://s3.amazonaws.com/xuxifuzituwu/agammaglobulinemia_congenita.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_off0000a3db.bin)

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