MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=pectus+chest+deformity', suggesting a lure related to a medical condition. The presence of numerous external PDF links, including one to a Shopify domain, indicates a link farm strategy. The ML classifier 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/pify?keyword=pectus+chest+deformity
- http://takulagib.sdss4seoul.com/uploads/1/3/0/9/130969140/libidebixu-tukonenapifel-javokozolikezev.pdf
- https://cdn.shopif
- https://cdn.shopify.com/s/files/1/0431/4424/9504/files/1337015099.pdf
- https://cdn.shopify.com/s/files/1/0437/3177/9745/files/40255823960.pdf
- https://cdn.shopify.com/s/files/1/0433/4786/9850/files/mabog.pdf
- https://cdn.shopify.com/s/files/1/0428/6673/7311/files/31163357956.pdf
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/77803589402.pdf
- https://cdn.shopify.com/s/files/1/0431/9356/5342/files/wokutijigufugafumetaf.pdf
- https://cdn.shopify.com/s/files/1/0429/0006/2367/files/35534826035.pdf
- https://cdn.shopify.com/s/files/1/0431/2956/9434/files/35403863378.pdf
- https://cdn.shopify.com/s/files/1/0433/8312/8214/files/23013541051.pdf
- https://cdn.shopify.com/s/files/1/0440/0827/6126/files/kerev.pdf
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/77755921729.pdf
- https://cdn.shopify.com/s/files/1/0435/3386/1018/files/10337227353.pdf
- https://cdn.shopify.com/s/files/1/0428/0126/6851/files/tipos_de_anemia_falciforme.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_off0000bb99.bine8de385d763ccea4056f6d87f035bafaff59d0d8593d893fb640bce8d6d9b79a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB99 | 5124 bytes |
font_01_sfnt_off0000cce9.bin35462aaef33da6fda402ccaf35557d9d0deb1c3cb7b1ba859ef009cdff9880e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE9 | 10404 bytes |
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