MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent URL, 'https://ttraff.ru/wix?keyword=buffy+the+vampire+slayer+torrent', is flagged as a known malicious redirector. The presence of a download button lure and the ML classifier's high confidence score further indicate malicious intent, likely to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=buffy+the+vampire+slayer+torrent
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/314c35_080b251ec0bb4bc88107668137e3fd6f.pdf
- https://static.usrfiles.com/ugd/162fe6_4867faa014754afc99a0bc9ac7018c64.pdf
- https://static.usrfiles.com/ugd/39cb9d_2c59f42fd8624932b2d33ebd2f91884a.pdf
- https://static.usrfiles.com/ugd/b8c837_da74cf5d45ab41b8ba8732aa2e56ac45.pdf
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/49535114485.pdf
- https://cdn.shopify.com/s/files/1/0432/2977/3981/files/psychology_10th_edition_myers.pdf
- https://cdn.shopify.com/s/files/1/0436/2171/2034/files/reinstall_windows_store.pdf
- https://cdn.shopify.com/s/files/1/0440/2990/2998/files/suwitukuvironuwi.pdf
- https://static.usrfiles.com/ugd/f4de5e_361f31c654a5476b8031d29c5db0b8ca.pdf
- https://static.usrfiles.com/ugd/b8c837_7fc0f89e2a4b4142b5bfa8121ffeea1a.pdf
- https://static.usrfiles.com/ugd/b0b521_520d66b43b094a6ea4fb2fb9826ee77f.pdf
- https://static.usrfiles.com/ugd/b8c837_6c185d7ccd894776b529c4e875233a88.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_off00004fe8.bin1df24751563f4cd0cdaad94d8e491726d926c62571383a53ed020ed342ff19be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FE8 | 5352 bytes |
font_01_sfnt_off0000620b.bin65037b22adf34f8a6fac9e0b5ee1f0ddcdd173bb48757c4faad54fbf5eb53ebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x620B | 10580 bytes |
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