MALICIOUS
136
Risk Score
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=diy+balaclava+free+knitting+pattern+balaclava PDF link annotation
- https://norumevi.weebly.com/uploads/1/3/0/9/130969469/kowowumoji.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f871039e9fe2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jarawaxanivu/kumajotiterojom.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/77124843716.pdfIn PDF document text
- https://s3.amazonaws.com/vinivuxo/diccionario_biblico_ilustrado_mundo_hispano.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8234862-0db6-4d80-80dc-03a69bd8978f/99142025077.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5af948e5-9248-4613-bf96-bbe2d4e40137/97603810567.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2b1c612-3989-4c15-8f9a-e98e74448e0b/30398460280.pdfIn PDF document text
- https://s3.amazonaws.com/mokuwanibof/noble_middle_school_coronavirus.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_off0000b8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8F8 | 5368 bytes |
SHA-256: 40b9edf5330682570f763c7f80e944af298224b5717e341ec743084cb56b09d5 |
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font_01_sfnt_off0000cb68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB68 | 11000 bytes |
SHA-256: 714346720ea1740c4071f4c6bc7529ac4e8d06d95acc529f0ed35fb39ac6575c |
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