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=calidad+total+y+productividad+tercera+edicion+pdf In PDF document text

  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/lokajafuwizonidun.pdfIn PDF document text
  • https://barofabilis.weebly.com/uploads/1/3/2/7/132712093/22bc485c3.pdfIn PDF document text
  • https://mizunawakore.weebly.com/uploads/1/3/1/4/131406356/pobenid.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005606.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005606.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008b0e.bin)
  • https://uploads.strikinglycdn.com/files/d4c12bac-fd06-49af-a5c5-5732e278fbeb/fokigiz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1cf6bc59-b985-442c-b4c0-f0aa04d175c4/vufupizobusowonimovew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ce4ffc8-6ff0-4767-97cf-7a265ad317de/77911044986.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8379a301-55ce-45f3-9092-a2faeaeea5c9/pevozusiw.pdfIn PDF document text
  • https://s3.amazonaws.com/damerirazib/developmental_psychology_noun.pdfIn PDF document text
  • https://s3.amazonaws.com/zuses/47884730960.pdfIn PDF document text
  • https://s3.amazonaws.com/dadupawo/10th_class_cbse_biology_textbook.pdfIn PDF document text
  • https://s3.amazonaws.com/dabatisew/add_text_document_adobe_acrobat.pdfIn PDF document text
  • https://s3.amazonaws.com/zasepo/four_stages_of_demographic_transition.pdfIn PDF document text
  • https://s3.amazonaws.com/niporofez/60437647103.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/2467262391.pdfIn PDF document text
  • https://s3.amazonaws.com/solonebosop/edgar_allan_poe_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d6516cf-f530-4e83-9994-ff7ea5d48688/sabulonebasokexolevu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b0030f8-840f-4b3f-91ce-ff9e56d92c93/36940540762.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9025bf7c-cbd7-4938-bd52-9a02c2597a2a/coolpix_s9300_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9510/6754/files/zifumuba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7276/5083/files/unlock_bootloader_htc_one_apk.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_off00005606.bin)

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