MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a high number of embedded links, many pointing to external PDF files, which is indicative of a link farm. One of these links, 'https://ttraff.ru/pify?keyword=shenmue+guide+pdf', is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The ML classifier also 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/pify?keyword=shenmue+guide+pdf
- http://files.moot.nilsinternational.org/uploads/1/3/1/3/131398338/virisakupusinagabep.pdf
- http://files.neutralsimplicity.com/uploads/1/3/1/4/131407164/tatibolowitosufabi.pdf
- http://files.ponzareview.com/uploads/1/3/1/6/131637190/wigiz.pdf
- http://fontawesome.iohttp://fontawesome.io/license/
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2601/4630/files/13095926590.pdf
- https://cdn.shopify.com/s/files/1/0428/5048/4390/files/sojen.pdf
- https://cdn.shopify.com/s/files/1/0431/0358/4413/files/kibivurasetanur.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/majakaj.pdf
- https://cdn.shopify.com/s/files/1/0436/5585/6281/files/grep_for_multiple_strings.pdf
- https://cdn.shopify.com/s/files/1/0432/0490/3069/files/37965008823.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xazijejizamoketabuguta.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81108552740.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/podufa.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009001.bin9ebc7052b02113f3b7c16adc8089556d2bc9f11104a9bb94cab044cc4a678f71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9001 | 1556 bytes |
font_01_sfnt_off000097e9.bind2c55db7cbd3d262abec37762b97537cb5dda8055587053c2b51ad6b26d3bc77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97E9 | 5044 bytes |
font_02_sfnt_off0000a8f9.bined63b340de1d252c8b3b6867a2157d68f0bf474404de00ac8098b94d04c20a85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8F9 | 10280 bytes |
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