MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to 'ttraff.ru' which is flagged as a malicious redirector, likely serving as a lure for users searching for free game downloads. The document also includes a large number of links to 'static.usrfiles.com', many of which are likely part of a link farm designed to improve search engine ranking for the malicious lure. The ML classifier strongly indicated maliciousness.
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=skyrim+dlc+free+download+pc
- https://static.usrfiles.com/ugd/b8c837_00b0f315ce69400b92392478d17f8673.pdf
- https://static.usrfiles.com/ugd/b8c837_73ae6c9a8a35453d8829e13e6750831e.pdf
- https://static.usrfiles.com/ugd/b8c837_3516c67845fd40e2adecda447aa46ce6.pdf
- https://static.usrfiles.com/ugd/b8c837_68780f2a0bd846f2930ccf35a77f2cf1.pdf
- https://static.usrfiles.com/ugd/b8c837_6371cab9a18e4de4afbad73d6b44d57c.pdf
- https://static.usrfiles.com/ugd/b8c837_8e613051db29428982b4ca70f29232a3.pdf
- https://static.usrfiles.com/ugd/b8c837_4d9df525fec94099a8c97dcaba23c6f5.pdf
- https://static.usrfiles.com/ugd/b8c837_0dc2bb375e19499ba24623f6837afb66.pdf
- https://static.usrfiles.com/ugd/b8c837_9b25b80b365d4e4b9469ac05a284220d.pdf
- https://static.usrfiles.com/ugd/5ad03d_7dc4643bbdd043c6acb90561f5ecb01d.pdf
- https://static.usrfiles.com/ugd/b8c837_b8873021ca7949f9a9aab3c01abd3296.pdf
- https://static.usrfiles.com/ugd/9cc572_fbd592a2aefb4c109392f2c489ceecb4.pdf
- https://static.usrfiles.com/ugd/b8c837_b39d44979e78466ca27f297e536a289a.pdf
- https://cdn.shopify.com/s/files/1/0434/3896/4903/files/49094688236.pdf
- https://cdn.shopify.com/s/files/1/0437/6104/1559/files/34521570498.pdf
- https://cdn.shopify.com/s/files/1/0431/6866/1660/files/vevegesefi.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_off000069dc.bin8c86bc33e53bf7f38b3c6af579e48276ed0ed54c6f4c3c00edf2f831d796c95e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69DC | 5484 bytes |
font_01_sfnt_off00007c84.bine3fb6a9a75c997329b0594bf0ccab70cab94f1b5c3380c1444525f8463834676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C84 | 10348 bytes |
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