MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, constituting a link farm designed to improve search engine rankings. One of these links, https://ttraff.cc/pify?keyword=pierwotna+endoprotezoplastyka+stawu+kolanowego+pdf, redirects to known malicious infrastructure. The document body itself is heavily obfuscated and appears to contain text related to medical procedures, likely as a lure. No scripts were extracted from this sample.
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.cc/pify?keyword=pierwotna+endoprotezoplastyka+stawu+kolanowego+pdf
- http://xobef.escoria.com.ar/uploads/1/3/0/7/130776542/ed623292be7636b.pdf
- http://files.lisaguice.net/uploads/1/3/1/4/131453870/wowilozif-nakupakuzun-rezima-lozejiw.pdf
- http://naxev.2018flyballnationals.org/uploads/1/3/1/4/131483337/raxoviguf_madonodaz_tuvuwunuveli.pdf
- http://files.suepaton.net/uploads/1/3/2/6/132695329/widavaf.pdf
- https://cdn.shopify.com/s/files/1/0433/0396/0731/files/beyond_compare_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0428/7945/1289/files/bsc_physics_honours_books_download.pdf
- https://cdn.shopify.com/s/files/1/0434/2281/0268/files/xatelajapoxuruzogumo.pdf
- https://cdn.shopify.com/s/files/1/0429/6107/6375/files/27500288683.pdf
- https://cdn.shopify.com/s/files/1/0429/2945/5271/files/41808264383.pdf
- https://cdn.shopify.com/s/files/1/0440/9769/9992/files/is_mcreator_safe.pdf
- https://cdn.shopify.com/s/files/1/0431/9199/2481/files/10465134773.pdf
- https://cdn.shopify.com/s/files/1/0435/3510/6203/files/a_woman_of_no_importance.pdf
- https://cdn.shopify.com/s/files/1/0436/2013/9170/files/tiwisikize.pdf
- https://cdn.shopify.com/s/files/1/0430/1740/4573/files/3536419804.pdf
- https://cdn.shopify.com/s/files/1/0429/6107/6387/files/wokoditez.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_off00007f64.bin77e77f5cf637e7814a1503637d940978b87dffbe88fe51ae0df5382db4da3d85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F64 | 5520 bytes |
font_01_sfnt_off0000926c.bin4fb57ffabc701e679098ebda147159e72b2bc948eb5a68a84cd2dce34421d03a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x926C | 11528 bytes |
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