MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning attempt. The primary malicious redirector URL is https://ttraff.ru/wb?keyword=divisibility%20rules%20practice%20worksheet%20pdf, which is likely used to redirect users to further malicious sites. The ML classifier strongly indicates maliciousness, and the PDF structure itself is flagged for containing a malicious redirector and a link farm.
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/wb?keyword=divisibility%20rules%20practice%20worksheet%20pdf
- http://lawufu.deemashahin.net/uploads/1/3/0/8/130814328/5339405.pdf
- http://lukolor.katikatiponyclub.com/uploads/1/3/0/7/130775075/ac5dc7c4ad48c4.pdf
- http://mepapa.oceanoutreach.org/uploads/1/3/1/3/131383444/9056130.pdf
- http://magixak.christineblanchet.co.uk/uploads/1/3/2/6/132681556/60658445b7.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6589/files/nozogefituvazivig.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/kisepadofijogu.pdf
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/34797818801.pdf
- https://cdn.shopify.com/s/files/1/0432/1447/1330/files/caderno_de_caligrafia_para_imprimir_com_letras_pontilhadas.pdf
- https://cdn.shopify.com/s/files/1/0440/3747/2421/files/solona_hot_tub.pdf
- https://cdn.shopify.com/s/files/1/0436/0414/8381/files/21642827992.pdf
- https://cdn.shopify.com/s/files/1/0429/8250/6647/files/mologapekoteroferuloto.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8095/files/runs_per_game_mlb.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/3064335983.pdf
- https://cdn.shopify.com/s/files/1/0428/5703/7990/files/51834913917.pdf
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/votabekofagavarinos.pdf
- https://cdn.shopify.com/s/files/1/0430/9952/1181/files/organic_chemistry_solomons_12th_edition_download.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_off000055af.bind0ea11b96355f7c151e88a9c9cca2b95a4bf9d9c1b5231e16505b43e5ea68337 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55AF | 5700 bytes |
font_01_sfnt_off00006920.bin6ab74061e2d39add4abe410fb724b69a0f1741c9543dd77d33cc72ff98f5cbff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6920 | 9932 bytes |
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