MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, a common technique for creating link farms. One of these links, https://ttraff.ru/wix?keyword=nogex+argentina+aerol%25C3%25ADneas, points to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the same malicious URL and several Shopify URLs, suggesting a lure to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=nogex+argentina+aerol%25C3%25ADneas
- https://cdn.shopify.com/s/files/1/0429/0969/6156/files/area_of_combined_rectangles_worksheet_4th_grade.pdf
- https://cdn.shopify.com/s/files/1/0431/6951/3632/files/tomojojorum.pdf
- https://cdn.shopify.com/s/files/1/0430/7946/7162/files/how_to_clear_entities_in_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/bosniak_clasificacion.pdf
- https://static.usrfiles.com/ugd/b8c837_f2813e3612024092b46563c5f60a23ff.pdf
- https://static.usrfiles.com/ugd/9b7d8a_450e8edab4f248e3b93c03538461acff.pdf
- https://static.usrfiles.com/ugd/b8c837_af2cee9a670f4813b69f73cfc40e8136.pdf
- https://static.usrfiles.com/ugd/8ab72e_2179e1bcacf54ad9b947d8032e5f41a1.pdf
- https://static.usrfiles.com/ugd/b8c837_e9b01d07d95c4b9e85287a58ed98cc9e.pdf
- https://static.usrfiles.com/ugd/b8c837_a80824a325b64bb391327b8d01d02783.pdf
- https://static.usrfiles.com/ugd/432b07_0549179d243645eab913b6aae72d3d5d.pdf
- https://static.usrfiles.com/ugd/b8c837_3c00d0d0797c4653b174009bcae3e607.pdf
- https://static.usrfiles.com/ugd/b8c837_1e0d82353fcf42f18595ed52e8a2d523.pdf
- https://static.usrfiles.com/ugd/a2d007_53e565f8b2964d6b94e04d4b8765b83a.pdf
- https://static.usrfiles.com/ugd/912de2_2ea04551273c408b900668a3bd899fd4.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_off000058d3.binc4daf98e123c53c85848d98f17eb4b6f4752df0e2b86a0ae0cbe87f214d72e28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58D3 | 4944 bytes |
font_01_sfnt_off000069c0.binc0b2a3c3264cd306f63840b13cfc511cc0d991d12a9b3a8f3425fc7dc9fcf42c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C0 | 11880 bytes |
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