MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.ru. This indicates the document's primary purpose is to redirect the user to a malicious site. The presence of a large number of external PDF links, many hosted on static.usrfiles.com, suggests a link farm or SEO poisoning tactic to improve the redirector's visibility. The ML classifier also strongly flagged this PDF as malicious.
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=medicamentos+antiem%25C3%25A9ticos+pdf
- https://static.usrfiles.com/ugd/8d0191_895d0657f5804a03945454ce896b04d8.pdf
- https://static.usrfiles.com/ugd/b28561_6a5c1175d99b4b81b8166b5d13ac5505.pdf
- https://static.usrfiles.com/ugd/40512e_4f3504d5a7a448ddb517feb9a2a468f6.pdf
- https://static.usrfiles.com/ugd/136d07_59fc803400b048ab8fe241121334dc3c.pdf
- https://static.usrfiles.com/ugd/77941b_1b4002f9dc8f4bd88407da7383d4fe6f.pdf
- https://static.usrfiles.com/ugd/b8c837_99cd530dd41948248b703be9429a89b2.pdf
- https://static.usrfiles.com/ugd/72b0e7_e7144948cedc4d86b9a92aac58174856.pdf
- https://static.usrfiles.com/ugd/3bca44_5114118652e5429e96fcf1369c060cc3.pdf
- https://static.usrfiles.com/ugd/9ff9b8_983213a1a94e49d79c0b206c4596d569.pdf
- https://static.usrfiles.com/ugd/b88e3d_644582a569a54387a618ff30dbbd73d1.pdf
- https://cdn.shopify.com/s/files/1/0432/7247/0686/files/84763523369.pdf
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/94088804536.pdf
- https://cdn.shopify.com/s/files/1/0431/3651/6250/files/radiation_heat_transfer_siegel.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7616/files/aadhar_card_form_download_file.pdf
- https://cdn.shopify.com/s/files/1/0431/6689/2181/files/xobifebewazetaza.pdf
- https://cdn.shopify.com/s/files/1/0434/4755/0119/files/suicide_boys_discography.pdf
- https://cdn.shopify.com/s/files/1/0435/8340/6243/files/account_assistant_cv_format.pdf
- https://cdn.shopify.com/s/files/1/0432/8616/7702/files/gomasufudotiw.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9448/files/nesepuwujuwepedepeto.pdf
- https://cdn.shopify.com/s/files/1/0437/5409/4743/files/basel_3_requirements.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_off00006733.bin339b2dccf2dfd9067c5d1e2f85e065af03af39f83dff2f6e743d838093d4aea3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6733 | 5320 bytes |
font_01_sfnt_off00007906.bin4d8739d7d27f21dd9d640d9c081b3dbe5e5409dc9bde686b2753aabd55c40ff8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7906 | 11292 bytes |
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