MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as search engine results, with a primary malicious redirector URL. The document body, though heavily obfuscated, contains text related to 'car racing game free for android' and the malicious URL, suggesting a lure to download or access a malicious payload. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous embedded URLs pointing to a redirector supports this assessment.
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/pify?keyword=car+racing+game++free+for+android
- http://pilari.victoriaminks.com/uploads/1/3/0/9/130969204/8337d2a0aaa9d.pdf
- https://cdn.shopify.com/s/files/1/0437/6975/7850/files/gozakefisivu.pdf
- https://cdn.shopify.com/s/files/1/0429/8709/4177/files/dilogotomirunowasa.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/32562192451.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0935/files/71262720080.pdf
- https://cdn.shopify.com/s/files/1/0437/7303/4657/files/72386318134.pdf
- https://cdn.shopify.com/s/files/1/0437/7359/1703/files/xewan.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/babel_plugin_transform_decorators_legacy.pdf
- https://cdn.shopify.com/s/files/1/0430/9699/8041/files/hiit_weight_training_program.pdf
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/faxirojemube.pdf
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/koranarenurutivosajop.pdf
- https://cdn.shopify.com/s/files/1/0440/3462/1590/files/23729681106.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_off000074aa.bind9d4b17df3de879a97a56e60f6b060821a41b6bc3caf20968cacb1add3e3ef98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74AA | 5036 bytes |
font_01_sfnt_off000085b4.bin8c0d8b49482a5da942eaf05a9142de941aad44865112305276ede684578da83a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85B4 | 10340 bytes |
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