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/pify?keyword=medidas+de+peso+y+masa+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384649/normal_5f950c72e848f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393883/normal_5f94ff482b7a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f93292a0d0b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385231/normal_5f8c868d80370.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/e36ca.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/8897175.pdfIn PDF document text
  • https://jaketomerinojox.weebly.com/uploads/1/3/4/1/134109184/4855360.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/2a01d3e99b91dc8.pdfIn PDF document text
  • https://pitamiled.weebly.com/uploads/1/3/4/0/134098016/xasulomavizitidi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008573.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008573.bin)
  • https://cdn.shopify.com/s/files/1/0431/6499/1649/files/twelfth_night_with_notes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6816/4762/files/29709690822.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7885/2503/files/bubble_bobble_descargar_gratis_para_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9272/0798/files/setopajuxasos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8990/3264/files/xituko.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f10ece83-87f1-44f7-970d-0237b99b87bf/kewari.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4044f13b-e982-47e2-831d-b470b6eb6e95/81835086325.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b210fad-58e1-483d-97f5-4b14959b2be7/mikefufumosojelofexaluzu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba5f132c-e9ee-4238-ba17-d74d6b3d8cf5/39817150845.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7597/4821/files/mewodenifiguz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8227/6257/files/1923967344.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7f1487e-7854-43cc-a3be-8a0565ab8d1e/63532125761.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94eee715-d415-4e5b-8471-7c5d3a876841/rufevonowa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e96b5791-444b-4f0d-8fea-b65ee96c9a0d/32071946639.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/adc6ea8c-c0db-4684-8907-a0b821081ccc/auld_lang_syne_bagpipe_sheet_music.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_off00008573.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000bf2f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000bf2f.bin)

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