MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with a critical heuristic identifying it as a PDF link farm. One of these links, 'https://ttraff.ru/wix?keyword=cache+only+memory+architecture+pdf', is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary malicious payload delivery mechanism.
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=cache+only+memory+architecture+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/1805/1996/files/atticus_poetry_download.pdf
- https://cdn.shopify.com/s/files/1/0438/1959/7981/files/aptana_php_editor_free.pdf
- https://cdn.shopify.com/s/files/1/0438/7956/3432/files/pitting_edema_vs_non_pitting_edema.pdf
- https://static.usrfiles.com/ugd/f80014_a8b45261d4644a1085480c58e61a487e.pdf
- https://static.usrfiles.com/ugd/599f1c_de2390dbe1fe412e9a33f8f8cf331463.pdf
- https://static.usrfiles.com/ugd/3e0cb9_7ab771c891bd4d9280951f6d75209744.pdf
- https://static.usrfiles.com/ugd/ef253e_80c81bb4a72547f5b2c265e2261d2b8c.pdf
- https://static.usrfiles.com/ugd/856cea_a2385a46e0434c1094d8d109833b6bff.pdf
- https://static.usrfiles.com/ugd/c4f63d_1a02d30f5fa84fe6b3f48be938d09d44.pdf
- https://static.usrfiles.com/ugd/ce0e6d_7813e1b478b24e8da97f398bcde350fa.pdf
- https://static.usrfiles.com/ugd/b8c837_13949a42db8247f8b44fcf2be7f40b70.pdf
- https://static.usrfiles.com/ugd/724fb5_3e4648e6e0f748ad8a85815b7fe93caf.pdf
- https://static.usrfiles.com/ugd/286fb8_b3e4b2429c07476186102b014e9a05a3.pdf
- https://static.usrfiles.com/ugd/d1c05f_73fb2cae99a24e63aa5affd4b1e1a71e.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000655b.bin589c354420d5368f0ff1cf0087405d5890e606602b113e6680b97cea2e16572a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x655B | 5224 bytes |
font_01_sfnt_off000076fd.bin2649afc557191f9131ec109f617036344e96ea1cfc422fdc0823c2948f00ae10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76FD | 10196 bytes |
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