MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in Systems
T1059.001 PowerShell
The PDF contains a mass external link farm, with several URLs pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to the URLs, suggesting a lure to download a PDF. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful sites.
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.club/wix?keyword=cosmic+ordering+secrets+pdf
- http://pekebima.kentuckybaskets.org/uploads/1/3/1/0/131070171/xivivewenakipuz-rulufipunov-lufivaxewor-wokezakiradag.pdf
- http://files.manuelamazzanti.com/uploads/1/3/2/6/132681392/tenir-fatepomurad.pdf
- http://files.ahenchmanshonor.com/uploads/1/3/1/8/131871912/c4dc3154b7a6.pdf
- https://d8026418-aabe-4f6f-9769-f9d62c9c2cef.filesusr.com/ugd/724fb5_1dcee7ea933e406fa77fcd5bb0a210b6.pdf?index=true
- https://7b857e2c-665d-4a12-9100-4df35b3e39f4.filesusr.com/ugd/1b6cec_f15d9bf60f8b4ab5a99b77779ed7a0e5.pdf?index=true
- https://caeb3b52-c24b-4065-9cee-b0d65f6e28b2.filesusr.com/ugd/96a426_fa84b694849d44629b4494f34fa6d8bc.pdf?index=true
- https://7a076f62-b72d-47cf-9662-e44c47696eed.filesusr.com/ugd/f9d4cd_695f05ddc8184c0d87e9b0a75be5ec2b.pdf?index=true
- https://b288afd3-96f2-4510-b9dd-4d9ff3c271b3.filesusr.com/ugd/74e905_bbe2ab8fead941e18a2d87ee6750f906.pdf?index=true
- https://cdn.shopify.com/s/files/1/0432/1017/8717/files/7515021105.pdf
- https://cdn.shopify.com/s/files/1/0435/3907/1130/files/responsive_grid_template_css.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_off00005ae7.binea1c038ae426d7afefd4f73eb2e2ca30add3ea3efe2087396ec799befc473656 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AE7 | 5136 bytes |
font_01_sfnt_off00006c4b.bin674073145063bee9009a4e5437114cd696a23ca0f53e5e8ec84997f4bcbf8c2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C4B | 10000 bytes |
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