MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/wix?keyword=game+alchemy+classic+mod+apk'. This URL is presented within the document body, suggesting a social engineering lure for a game mod download. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on 'static.usrfiles.com'. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=game+alchemy+classic+mod+apk
- https://static.usrfiles.com/ugd/0c8cc8_9229f1d90d7b43caa06395a8bb6d9c02.pdf
- https://static.usrfiles.com/ugd/b8c837_80ed5782f88e4ec5ba645ee0d45e12b7.pdf
- https://static.usrfiles.com/ugd/ee4a13_c7d70e19e8e44e6bbefe852175a02c0e.pdf
- https://static.usrfiles.com/ugd/c12414_3d8d7eeaaa174c1eae374b78f10e8178.pdf
- https://static.usrfiles.com/ugd/de65f7_1f8d3430d7c045f2a9cb90a7a4aba782.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8951/files/led_zeppelin_houses_of_the_holy_tab_book.pdf
- https://cdn.shopify.com/s/files/1/0434/3208/3612/files/maplestory_2017_training_guide.pdf
- https://cdn.shopify.com/s/files/1/0440/0765/3526/files/66542466696.pdf
- https://cdn.shopify.com/s/files/1/0433/3787/5614/files/online_education_system_project_report.pdf
- https://static.usrfiles.com/ugd/6cf392_26b76c06db1b47b583732f9ec50d6988.pdf
- https://static.usrfiles.com/ugd/5de1df_b0784b66c06c40ec94e9fafdf29fa7a8.pdf
- https://static.usrfiles.com/ugd/8b4172_e6ad08fbeca24e5f8206802d9aa185d7.pdf
- https://static.usrfiles.com/ugd/b8c837_6714d82fa35f44c6a625d57ceb2ad1df.pdf
- https://static.usrfiles.com/ugd/80c1db_c0ff0d38c5e9494dbefba0c790c1fbf6.pdf
- https://static.usrfiles.com/ugd/fb5067_896e181cbffd47d08ff9c14471d8c2d7.pdf
- https://static.usrfiles.com/ugd/ea9bdf_8ef1136b8ca74c9cb8173f8c3a74dd4a.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006490.bin72c6140b45111caa7ed1f201d1db7c62cc075523ac0d07f46a9d0b62f296a866 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6490 | 5416 bytes |
font_01_sfnt_off000076df.bincda02968feb00ba4756809c4264f67170257870997dc144a7414be32f70c2cba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76DF | 9980 bytes |
font_02_sfnt_off0000994a.binc9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x994A | 16092 bytes |
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