MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.me/wix?keyword=us+customary+unit+conversion+worksheets+answers, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to unit conversion worksheets, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicated maliciousness.
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.me/wix?keyword=us+customary+unit+conversion+worksheets+answers
- https://static.usrfiles.com/ugd/c63dba_01d35818c0004d3698d74495bc40dadb.pdf
- https://static.usrfiles.com/ugd/45e30f_b59279e6e8d4421382d93a215d98c47d.pdf
- https://static.usrfiles.com/ugd/7dfe85_e4a5a21e3083402aa3f16cf2fcc39428.pdf
- https://static.usrfiles.com/ugd/8de238_9cb5925f66004cbb8ccbc3abb8919c9b.pdf
- https://static.usrfiles.com/ugd/04e6f9_449b90a505fa49a89e72348b410ee422.pdf
- https://static.usrfiles.com/ugd/f34323_61f62dbf848143acb7c843b01ea56ef7.pdf
- https://static.usrfiles.com/ugd/a2ebd8_d3483558f9e3482aa06c51610d36d0ef.pdf
- https://cdn.shopify.com/s/files/1/0437/8099/7269/files/magic_bullet_recipe_book.pdf
- https://cdn.shopify.com/s/files/1/0434/5469/3529/files/gowivurupupaworujovur.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lunizededalusabunis.pdf
- https://cdn.shopify.com/s/files/1/0437/5619/1893/files/algebra_worksheets_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/3236/3676/files/jofizojitokidobajajumi.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_off0000590d.bin0f6ee1a30bbd5eecaa79b19397b0c36a4c6e55279d567253f2e4d5bb03f090b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x590D | 5316 bytes |
font_01_sfnt_off00006b10.bin5466e1b7d199eb8ca648217a065c50f2d870e0d83217a76920365fc10e0586dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B10 | 10172 bytes |
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