MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily corrupted, contains text related to a study guide and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, further supporting a malicious intent to distribute content or redirect users.
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.ru/wix?keyword=barron%2527s+sat+subject+test+chemistry+13th+edition+pdf+free+download
- https://static.usrfiles.com/ugd/b8c837_0f2e7d3253054d34973e530f3a96ea4a.pdf
- https://static.usrfiles.com/ugd/b8c837_344417b15c694c8ab78c02c761c291cb.pdf
- https://static.usrfiles.com/ugd/b8c837_a4e3ef6c714e46d79401bf9f7593084a.pdf
- https://static.usrfiles.com/ugd/b8c837_108fc8ab29a64a10a410ea0c5d2b291a.pdf
- https://static.usrfiles.com/ugd/b8c837_00d660db7dc74301b8966681077a6c88.pdf
- https://static.usrfiles.com/ugd/b8c837_a4a5d3b94b0c4a18aa2693b900cc7b9a.pdf
- https://cdn.shopify.com/s/files/1/0438/2733/1232/files/bosoxebidafunuf.pdf
- https://cdn.shopify.com/s/files/1/0466/7952/3493/files/17789770635.pdf
- https://cdn.shopify.com/s/files/1/0449/0382/5575/files/siwomimukopama.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/99002981772.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4632/files/what_does_vlc_stand_for.pdf
- https://cdn.shopify.com/s/files/1/0457/0824/7196/files/ignou_bshf_101_assignment.pdf
- https://cdn.shopify.com/s/files/1/0428/5644/8156/files/1422860437.pdf
- https://cdn.shopify.com/s/files/1/0441/2289/8584/files/76339870093.pdf
- https://cdn.shopify.com/s/files/1/0434/3631/0693/files/27836399857.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_off00004e2e.binbbbfa4cef2af7c203856d196265e397e893ba24c542538b315a5fe1e05f0866d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E2E | 5988 bytes |
font_01_sfnt_off00006283.bin5d08c7c9ed748df0f5fb927c3804ee92d2df0b452e91f95cd86adca715a4baed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6283 | 10412 bytes |
font_02_sfnt_off0000859b.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x859B | 4324 bytes |
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