MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector, indicating an attempt to lead the user to a malicious site. The document body, though heavily obfuscated, contains text related to medical guidelines and the redirector URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links further supports a malicious intent, likely for phishing or malware delivery.
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.link/wix?keyword=ispad+diabetic+ketoacidosis+guidelines
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/dfb5f8_4724e772b0054d83a8b760be0b0cb272.pdf
- https://static.usrfiles.com/ugd/9ff9b8_2dfbcd42f88447e9a8b8f4f8c3f0fc9e.pdf
- https://static.usrfiles.com/ugd/b8c837_acf7e84155ca4fe594712a62d09d1253.pdf
- https://cdn.shopify.com/s/files/1/0431/1669/1612/files/chappelle_show_download.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/16066233316.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.pdf
- https://cdn.shopify.com/s/files/1/0437/0874/3834/files/16069248802.pdf
- https://cdn.shopify.com/s/files/1/0433/4977/0408/files/xezokefewelalumar.pdf
- https://cdn.shopify.com/s/files/1/0435/8874/7423/files/0151_que_banco_es.pdf
- https://cdn.shopify.com/s/files/1/0433/0523/8692/files/gisolupotanonugusijobufib.pdf
- https://cdn.shopify.com/s/files/1/0430/0088/9507/files/cause_effect_essay_sample.pdf
- https://cdn.shopify.com/s/files/1/0432/8652/8155/files/epidemiologia_diabetes_mexico.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000095bd.bin7ab601a9ebbc05db62d6c42783c630fee8ea555e2499f8dc2d674dd76f73bf11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95BD | 5284 bytes |
font_01_sfnt_off0000a7c8.binccb89eeaac5526c0c7a60eafd4bca6a732e16537df89f699eaa086eda3c39384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7C8 | 10368 bytes |
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