MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, directing users to a URL associated with malicious activity. The document body, though heavily obfuscated, contains text related to game downloads and the malicious URL, suggesting a lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files, likely for SEO manipulation to increase visibility of the malicious content.
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=undertale+ds+rom+download
- https://static.usrfiles.com/ugd/b8c837_dde8d2c32830414096a45273f73a64fa.pdf
- https://static.usrfiles.com/ugd/b8c837_1cb4107600054da8b5f169b8a7abdea4.pdf
- https://static.usrfiles.com/ugd/b8c837_b0e989ece0c043408877d2cb320f75f9.pdf
- https://static.usrfiles.com/ugd/3aca14_548e516dcc2a412f8338f57ad4ecdf8d.pdf
- https://static.usrfiles.com/ugd/12f4eb_04112e738cc84ad58a2845f3e4d985f2.pdf
- https://cdn.shopify.com/s/files/1/0430/8061/4041/files/96172419552.pdf
- https://cdn.shopify.com/s/files/1/0435/2462/0447/files/97699484009.pdf
- https://static.usrfiles.com/ugd/b8c837_d83da753361544a79b60b27f58f047da.pdf
- https://static.usrfiles.com/ugd/b8c837_e9b01d07d95c4b9e85287a58ed98cc9e.pdf
- https://static.usrfiles.com/ugd/29c71c_3bf7a807c9184572b5f1d74da0666ede.pdf
- https://static.usrfiles.com/ugd/2ca09c_efc66344fd364a0891894d01a723589a.pdf
- https://static.usrfiles.com/ugd/9c43ec_ed2814be145643f69d0348d4860fb9c2.pdf
- https://static.usrfiles.com/ugd/22739b_a11e5c39634f4412ab4531895b620c05.pdf
- https://static.usrfiles.com/ugd/d7ba0f_81c58d1b8e6c4f369c2fd3086556d819.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_off00005e68.bina9869c43ddd1bc3f32f7307cf87479d533587d39cd49272c24d72c1a8cb97d8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E68 | 5052 bytes |
font_01_sfnt_off00006f91.bin722a1689ec2984e24ed9dce5b75f075d3d228bcc5cdd17387cedb0fbe98d6aa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F91 | 10296 bytes |
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