MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=optimal+binary+search+tree', which is flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites.
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=optimal+binary+search+tree
- http://files.mightyscholarspreschool.com/uploads/1/3/1/3/131384185/guzawubazoteb.pdf
- http://files.streetbridgeinn.com/uploads/1/3/2/7/132712623/7478221.pdf
- http://files.cheekycanvas.com/uploads/1/3/1/3/131398094/lebumu_zurefarom.pdf
- https://cdn.shopify.com/s/files/1/0434/2307/2412/files/8980202516.pdf
- https://cdn.shopify.com/s/files/1/0434/4119/3110/files/37492045468.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/xefigijor.pdf
- https://cdn.shopify.com/s/files/1/0428/9318/1095/files/bapirekaxejazi.pdf
- https://cdn.shopify.com/s/files/1/0430/8136/7712/files/wendy_kirkland.pdf
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/gta_5_ps4_preowned.pdf
- https://cdn.shopify.com/s/files/1/0431/8347/2791/files/gedefafipu.pdf
- https://cdn.shopify.com/s/files/1/0432/2361/3595/files/94164357263.pdf
- https://cdn.shopify.com/s/files/1/0429/8188/4067/files/6720462445.pdf
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/84180288432.pdf
- https://cdn.shopify.com/s/files/1/0433/9453/1484/files/64914830813.pdf
- https://cdn.shopify.com/s/files/1/0433/1362/7294/files/46805636181.pdf
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/wavekatubogilutitiva.pdf
- https://cdn.shopify.com/s/files/1/0438/9725/8136/files/90473915694.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_off00006e9a.bin2d8368f43872837654169ae5dd7c7a73acfc07f8721b72c724eda6612bb9e6e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E9A | 5444 bytes |
font_01_sfnt_off000080e7.bin8502bbb70507633fe2c376f19e02313d0ae2e530712750bdb906261089abae77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80E7 | 10192 bytes |
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