MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a URL that is flagged as a malicious redirector. The document body, though heavily obfuscated, contains a reference to the same malicious URL, suggesting an attempt to trick users into clicking it. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/wix?keyword=nyha+classification+treatment+guidelines In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e970a08bb34040f18b03cb4b73bfd364.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c1615c_436ddd0339624211901f7f82ddfeae95.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6da380_173588b13db54646a1c55ee72b9f323a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/61b8bf_8ed10a558e9447eaa2ad4a5f298cf442.pdfIn PDF document text
- https://static.usrfiles.com/ugd/516793_ae989b5d67e64421b39097b9c3838a90.pdfIn PDF document text
- https://static.usrfiles.com/ugd/bf0735_5e60a56f27db4275836ed0552faf3882.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2f07a1_2e5d2d5cfb7a410ab7c100376b058d51.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1be480_5e0da0d86f82400bab496116e3fd55c8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/784815_1f3236efcb4d48fab521bd5384069f91.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a771bd_35fa6322d7e4478180f13e22bc210a2a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/681527_6f6364fa0c3f4bfcb29367c326eb7c8e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ea78e0_de2d7df0993f45c199192e0d013d2da0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cfa91a_ed3de532cc984fa78aad8236414bffda.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_d4364686319d4179aea7819f94929b5d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/479fa9_0302933508ae449dbf8aa7adf4b639e2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9476/8802/files/terraform_azure_user_assigned_identity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5395/5742/files/gowurix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0210/1923/files/kiwakumoduwiwexeri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7698/3713/files/zudoresomolejo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0234/7171/files/nipofafi.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9652 | 6424 bytes |
SHA-256: e637e929042e3978bec96b31b3490ba660419ed310d31d627162007a830036f1 |
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font_01_sfnt_off0000a633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA633 | 5504 bytes |
SHA-256: 61fff95a082f575b6d384ae2897a4cd5ddaaf1736ccb8a3f53b8e93fae49ff8b |
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font_02_sfnt_off0000b8cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8CB | 27300 bytes |
SHA-256: f0c25c25e25d3f92296e5ddb967a1aa8676e11223aab9f1a92d00a3a58e9bbda |
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font_03_sfnt_off00010119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10119 | 16520 bytes |
SHA-256: 3410bcdc475f0096859ce0752252107505938b6d13666bfedf2069d032e13516 |
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font_04_sfnt_off00013274.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13274 | 18120 bytes |
SHA-256: 5ebb1c16ac35cf51aa57f5fb11d1473c2fa1dbf71e65d037e20df4ca1e026ea5 |
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font_05_sfnt_off00014c8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C8D | 7500 bytes |
SHA-256: 82cb53bc404973527754cd662ecdbaf6b8711fc1af21cedff7b133cb6f39e51a |
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