MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL that triggers the redirection. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, suggesting a tactic to distribute malicious content or engage in SEO manipulation. The ML classifier also strongly flagged this PDF as malicious.
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=nietzsche+beyond+good+and+evil+walter+kaufmann+pdf
- http://files.sdadata.org/uploads/1/3/1/4/131406849/domiwatu.pdf
- http://files.accomplishedteachingny.org/uploads/1/3/1/4/131453465/2143170.pdf
- http://files.ntsenthlothainternationalministries.com/uploads/1/3/2/7/132710694/e6e7ff39bd13.pdf
- https://cdn.shopify.com/s/files/1/0450/9057/0405/files/faux_calligraphy_practice_sheets.pdf
- https://cdn.shopify.com/s/files/1/0431/4667/4336/files/fundamentals_of_engineering_economics_second_edition.pdf
- https://cdn.shopify.com/s/files/1/0439/8202/8958/files/38719635333.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/61436434652.pdf
- https://cdn.shopify.com/s/files/1/0431/9179/5873/files/tezirububamudozosu.pdf
- https://cdn.shopify.com/s/files/1/0432/0814/7112/files/xovipebedosikexojarekuno.pdf
- https://cdn.shopify.com/s/files/1/0436/3000/2336/files/free_abc_coloring_book.pdf
- https://cdn.shopify.com/s/files/1/0428/1237/5207/files/korurebixosodoxunafo.pdf
- https://cdn.shopify.com/s/files/1/0432/2885/6487/files/asymptotic_freedom.pdf
- https://cdn.shopify.com/s/files/1/0433/9063/2101/files/33669353518.pdf
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/78_camaro_z28.pdf
- https://cdn.shopify.com/s/files/1/0430/6845/7113/files/84894193930.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_off000076f1.bin395e469672477faf1db3623e75a6ed6a93c61a42ee172f40908baa3b0fdae7e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F1 | 6044 bytes |
font_01_sfnt_off00008b84.binb2deeb16a1d58e71af81dd34bd95efe62c3a86e96724df2f0a107b64653179ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B84 | 10196 bytes |
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