MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on static.usrfiles.com. The primary malicious URL, ttraff.cc, is identified as a redirector. The document body, though heavily obfuscated, contains the same URL and a keyword related to video game modding, suggesting a lure. The ML classifier strongly flagged this PDF as malicious.
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.cc/wix?keyword=skyrim+xbox+load+order
- https://static.usrfiles.com/ugd/b8c837_1f0d6ebb48224e0291c738e83f12f25a.pdf
- https://static.usrfiles.com/ugd/b8c837_83a6177815bb45f1bf535570ea7ac4f8.pdf
- https://static.usrfiles.com/ugd/704566_842917fae7cb4caabf5c7dbc3aa81a08.pdf
- https://static.usrfiles.com/ugd/77d535_61b0ea36e2af4483b081c0cb7600b00e.pdf
- https://static.usrfiles.com/ugd/7ea8bb_954b2f1f54054ad29ba2fea4af25e539.pdf
- https://static.usrfiles.com/ugd/60933b_ca0edf9bd0264c7692018affc2eb4c7e.pdf
- https://static.usrfiles.com/ugd/88a84f_63a1a84f4fe743f0ab1ff72148104974.pdf
- https://static.usrfiles.com/ugd/48d9a1_f004eb633095486f98f0fc4a78e5019c.pdf
- https://static.usrfiles.com/ugd/9ff9b8_8d0d7b9f06de4e7fa4b08bec47c333ab.pdf
- https://cdn.shopify.com/s/files/1/0428/5592/3878/files/faliritikidamuxexikoko.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sexewagufik.pdf
- https://cdn.shopify.com/s/files/1/0449/7945/4111/files/favirow.pdf
- https://cdn.shopify.com/s/files/1/0439/0967/7224/files/kunasupuzinofaxamusanuvu.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0432/files/50936997120.pdf
- https://cdn.shopify.com/s/files/1/0437/1061/1607/files/odd_couple_theme_song.pdf
- https://cdn.shopify.com/s/files/1/0429/5789/7882/files/26621785893.pdf
- https://cdn.shopify.com/s/files/1/0432/6277/1366/files/free_wedding_border_templates_for_word.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_off0000ad23.bincc0040952df556a56049d5b2b5e5f1d7b00d18eb682d26c087457a1af681f623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD23 | 5268 bytes |
font_01_sfnt_off0000befd.bin23f8ef79ff592c1959b50848468374632e1dccc5b0f8662e86be5b5aa674ad0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEFD | 15356 bytes |
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