MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a worksheet answer key. The document also features a large number of external links, many pointing to static.usrfiles.com, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The primary malicious URL is https://ttraff.com/wix?keyword=bonding+and+shapes+of+molecules+worksheet+answers, which likely leads to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=bonding+and+shapes+of+molecules+worksheet+answers
- https://static.usrfiles.com/ugd/f96b02_73d9065e8f4d495382aca839fc551987.pdf
- https://static.usrfiles.com/ugd/b8c837_5ba0899f1c3b4c5b88aad73add6155e6.pdf
- https://static.usrfiles.com/ugd/60933b_da0b65b6bf214bf4bb46e13bfeb6fb99.pdf
- https://static.usrfiles.com/ugd/c618e9_74b218787f5144e790aa80950a21603e.pdf
- https://static.usrfiles.com/ugd/d54300_ac82688cb41a4bb9ba1b5ae708216a24.pdf
- https://static.usrfiles.com/ugd/fef806_8968a62e0e3d4e198ab5b45cde128c2d.pdf
- https://static.usrfiles.com/ugd/b8c837_9a227b7e916a457b9ae8e2dbba4cf81c.pdf
- https://static.usrfiles.com/ugd/5ad03d_cb01663ef156413c9b7ecf225fdf8fcf.pdf
- https://static.usrfiles.com/ugd/b8c837_a4d831feda404e4c92f81e710a87819e.pdf
- https://static.usrfiles.com/ugd/4d6844_b771c4b6f6654d7183267b3a273f20aa.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3437/files/list_of_filmfare_awards_2018.pdf
- https://cdn.shopify.com/s/files/1/0437/5130/9473/files/sybcom_business_management_book.pdf
- https://cdn.shopify.com/s/files/1/0433/9892/2403/files/varojeropo.pdf
- https://static.usrfiles.com/ugd/b8c837_70113f9ce56d462ebf4fbc15b54bed12.pdf
- https://static.usrfiles.com/ugd/8de238_c91a832cb48a4e44821663916e1be2f5.pdf
- https://static.usrfiles.com/ugd/b8c837_23cbb0ad6bea40678c8891ef98565bb8.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dcd.bin8d482d8d218099c974c4be2b0a8cdc2567d23895d0981b221132595e10843da4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DCD | 5656 bytes |
font_01_sfnt_off000070f1.bina7869dae472f27034cb0e580e8a0f2f499402400db0b047c39ffc761bbcb23e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F1 | 10352 bytes |
font_02_sfnt_off000093e0.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93E0 | 4324 bytes |
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