MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which are SEO-optimized to appear as legitimate document downloads. One prominent link, 'https://ttraff.com/wix?keyword=understanding+normal+and+clinical+nutrition+11th+edition+pdf+free+download', redirects to known malicious infrastructure, indicating a phishing or malware distribution attempt. 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.com/wix?keyword=understanding+normal+and+clinical+nutrition+11th+edition+pdf+free+download
- https://static.usrfiles.com/ugd/b8c837_1f7deda28ff6422481ffdd6e65b38894.pdf
- https://static.usrfiles.com/ugd/b8c837_52420dc35d35428d9fabd42195870765.pdf
- https://static.usrfiles.com/ugd/b8c837_5844bef1d722463685ebc3e8c95d2e04.pdf
- https://cdn.shopify.com/s/files/1/0430/9182/0711/files/56440420198.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3749/files/ielts_speaking_vocabulary_band_8.pdf
- https://cdn.shopify.com/s/files/1/0431/5850/3584/files/astrology_and_astronomy.pdf
- https://static.usrfiles.com/ugd/b8c837_2a820ffac58e45f9ad55be805a49107a.pdf
- https://static.usrfiles.com/ugd/ee4a13_e7e16cd40c4149eda8cd22f6cad9864e.pdf
- https://cdn.shopify.com/s/files/1/0437/9007/4018/files/vufezefivolifo.pdf
- https://cdn.shopify.com/s/files/1/0436/9213/0458/files/pajufedapada.pdf
- https://cdn.shopify.com/s/files/1/0432/8957/5588/files/mepagalukibupive.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/rebubedovezemipawodu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c12.binbcbfc78c9bee1e2aa0104a15be49bb98953e53ee34535160af2e72963d159443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C12 | 5704 bytes |
font_01_sfnt_off00008f5a.bin5b39e9209f2f5823ace8c91dcdd9d22e48f67d4c3a8bd5da9fa9055417ac3ba4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F5A | 2576 bytes |
font_02_sfnt_off00009918.bin22b6a23d74a1ea8ca21986a8be1f6ab02ef4a375d61fb395435008bf20d0ced4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9918 | 9920 bytes |
font_03_sfnt_off0000bb36.bin735e795b4d16529a49140ac7f40a22111760e3f1c48d6bea317f9a0d5f86c05c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB36 | 16780 bytes |
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