MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://ttraff.ru/wix?keyword=windows+xp+bootloader' is flagged as malicious. Additionally, the file contains a large number of external PDF links, suggesting it's part of a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=windows+xp+bootloader
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/58a813_01337df28373447a93fd53bb902317b2.pdf
- https://static.usrfiles.com/ugd/1849a1_edaf82c2d57d4dfe8804add4c62c37df.pdf
- https://static.usrfiles.com/ugd/73f3b0_dee0d602d05a4364ac604209d443f0ff.pdf
- https://cdn.shopify.com/s/files/1/0439/4326/4411/files/mugozejorinu.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6632/files/63525414518.pdf
- https://cdn.shopify.com/s/files/1/0433/1634/7035/files/52644914208.pdf
- https://cdn.shopify.com/s/files/1/0434/7183/1193/files/80436605106.pdf
- https://cdn.shopify.com/s/files/1/0457/6752/4518/files/kojozetel.pdf
- https://static.usrfiles.com/ugd/4b68be_703b6de5685a4c50816f4cd42c07c5dc.pdf
- https://static.usrfiles.com/ugd/80bfa9_9dd542a1d239494ca490d68eee06d59d.pdf
- https://static.usrfiles.com/ugd/9e41f0_3b86140845bc4aab8191e8104d78946d.pdf
- https://static.usrfiles.com/ugd/cb2bed_093e8dc74319416aa24eab7778dc9fd8.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000688f.bin241fd7f4c0116940e8b9d359f11aaba545848ecf8982b55a5430ab3bf09399a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x688F | 5264 bytes |
font_01_sfnt_off00007a94.bin3bbae1a69afe067d3c9b9fbb4f1322eca00fe666f7e686f363c5645f6c04dd44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A94 | 10112 bytes |
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