MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains a social engineering lure, instructing the user to install a browser extension or update to view content. It embeds a link that redirects to malicious infrastructure, specifically `https://ttraff.ru/wix?keyword=aqa+gcse+chemistry+textbook+answers`. The PDF also contains a large number of links to other PDFs, likely for SEO manipulation or to obscure the malicious redirector. The presence of a malicious redirector link and the social engineering lure strongly suggest an attempt to deliver a secondary payload or phish for credentials.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=aqa+gcse+chemistry+textbook+answers
- https://cdn.shopify.com/s/files/1/0433/7975/3109/files/12029378461.pdf
- https://cdn.shopify.com/s/files/1/0430/1016/2837/files/30125707285.pdf
- https://cdn.shopify.com/s/files/1/0434/8909/9942/files/conjunction_in_english_grammar_rules.pdf
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/analise_swot_o_que.pdf
- https://static.usrfiles.com/ugd/45e30f_8221cfb461a04cab9a77847c74018d46.pdf
- https://static.usrfiles.com/ugd/b8c837_842bbd7938d64ad0bddea8d547250204.pdf
- https://static.usrfiles.com/ugd/b8c837_3ea319eff5db48a3b0b40251a6ba6f08.pdf
- https://static.usrfiles.com/ugd/a44510_f658d57d190549cabb71c35b2b298f9f.pdf
- https://static.usrfiles.com/ugd/f523c3_50a481afb55947e5870a9eacda62896e.pdf
- https://static.usrfiles.com/ugd/868401_b356e3ae13c84cb384fb2616ac537fb0.pdf
- https://static.usrfiles.com/ugd/b8c837_1d8c67967e934c16be67fbfbc3b00398.pdf
- https://static.usrfiles.com/ugd/b8c837_b458b3bc71f041ed8de160528ca3fe6f.pdf
- https://static.usrfiles.com/ugd/b8c837_685f764df56043f5906e98e4183beb37.pdf
- https://static.usrfiles.com/ugd/8cbfce_ae080fd8d4294f70a265549acc375dfd.pdf
- https://static.usrfiles.com/ugd/b8c837_c2cf83e9374b4bfd93cf9f5b2097fae7.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_off000053cd.bincc590b27618473982bac27e2e24a5d66c844c2ac1a0e63e9665d626d7d5a5008 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53CD | 5760 bytes |
font_01_sfnt_off0000675c.bin942d6a8c3ee09ddb75d9f0579097a381d7e6ec1285adc1c9f0bc5a4c450eba8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x675C | 10224 bytes |
font_02_sfnt_off00008a93.binec654b92bded9e6e557b311565aa7e6854e46608133b7858caaa001c6b10c411 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A93 | 16288 bytes |
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