MALICIOUS
136
Risk Score
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://trafffi.ru/aws?keyword=pearson+campbell+biology+pdf PDF link annotation
- https://detasove.weebly.com/uploads/1/3/4/5/134594091/nixemelitelofaf-zoduzokapapot.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://begazeporef.files.wordpress.com/2020/11/52354803621.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e6bf769-2202-4070-9fa0-614f76c9039b/56933114279.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b6b3c5e-d1c1-4b1d-9867-2a21795f8ce6/rivulijefobi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e65a7651-bd0d-4065-90a4-895b48217ad0/51247151471.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ef243da-298f-4ba8-a3fd-0bd45b727e6a/makuzitisiripotuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d71545d3-624a-4d07-98c1-b069991c3042/dimobaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/951983a0-8ed2-4469-bf75-42ae8d2ea770/82822497214.pdfIn PDF document text
- https://s3.amazonaws.com/senodiw/vanixutirezovabiliv.pdfIn PDF document text
- https://jalekep.files.wordpress.com/2020/11/29751184955.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 PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000626d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x626D | 5720 bytes |
SHA-256: 21c055e16d0fe3ba13c33c7fed967b9e371ac7b9f48c26fd9ff9672c8f97ff40 |
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font_01_sfnt_off000075d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D1 | 10728 bytes |
SHA-256: b238c2527cbbf44d1f4ab726eafa2cb230f38645a7c71176d031610a4edfa50b |
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