MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that point to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though partially garbled, includes the phrase 'Windsor park middle school ofsted report', suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many hosted on Shopify, likely to obscure the malicious redirector. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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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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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://ttraff.ru/pify?keyword=windsor+park+middle+school+ofsted+report
- http://files.artsstudentsassociation.org/uploads/1/3/2/6/132682646/labenes-warinog.pdf
- http://files.inibus.co/uploads/1/3/2/7/132711966/pavagu.pdf
- https://cdn.shopify.com/s/files/1/0434/5757/7122/files/kitijesulas.pdf
- https://cdn.shopify.com/s/files/1/0433/7562/4350/files/67494717567.pdf
- https://cdn.shopify.com/s/files/1/0437/3846/4417/files/zibowifitewowewadib.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/68732941967.pdf
- https://cdn.shopify.com/s/files/1/0430/4371/7274/files/definicion_autoestima_psicologia.pdf
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/vowenesadituboba.pdf
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/beminum.pdf
- https://cdn.shopify.com/s/files/1/0433/7428/0855/files/36525531178.pdf
- https://cdn.shopify.com/s/files/1/0432/1493/0084/files/shannon_wiener_diversity_index.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005873.bina797dc13643271aceb1ca2fd0a5f5a77e277e9dbff2729452edb8a9c9baef405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5873 | 5472 bytes |
font_01_sfnt_off00006aec.binc4c968648e742fb1b8dfd6607948b4c8216bb3282de1db1948b304721e1eec50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AEC | 10388 bytes |
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