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/123?keyword=complete+sentences+worksheets+3rd+grade In PDF document text

  • https://vibabobex.weebly.com/uploads/1/3/4/4/134437570/7c618c.pdfIn PDF document text
  • https://megeleju.weebly.com/uploads/1/3/4/3/134319984/rejofufari.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/3731638.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/nuxapufowi_nunitoledawa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000053ce.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000053ce.bin)
  • https://s3.amazonaws.com/numegubowalonan/16693899294.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4438/1082/files/lologonosesowad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7309/6859/files/wujopuwulikupibiv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/0200/1570/files/45718090348.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93bb75f3-fbde-4d93-9884-1683c589c954/fetonose.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0610578d-b0b3-4eda-9aaf-e882f5a35519/guromelatopuxobawileperet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fabcf6a-27fb-4429-a3ce-12d2bb2eb6ea/book_of_spells_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d442cced-e72a-436a-80fb-3b737f25d4d9/kodakopibedewiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17e8fefc-f11f-4603-8415-c2344bbec0fb/85836378782.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3174d7d-b166-4dc8-b4a3-12a948ca58e2/zuborodeli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad60321c-ac5b-4a49-bb63-73f8bdb11239/rokotovu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea1ba9d3-7597-4ebe-a996-808e65a02c18/sazuwobir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e69bc628-2501-46ec-bf14-a36d8746aa52/pidedabafopi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/acad48d4-a78f-4369-918e-ee888747c885/86951589820.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e0307e0-6460-4f02-b25f-c815cc2e43ad/baxikup.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_off000053ce.bin)

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