MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by an ML classifier and contains numerous embedded links. One of these links, https://ttraff.ru/pify?keyword=pathogenesis+of+recurrent+aphthous+stomatitis+pdf, points to known malicious redirector infrastructure. The document appears to be a link farm designed to direct users to potentially harmful websites, masquerading as academic or informational content.
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=pathogenesis+of+recurrent+aphthous+stomatitis+pdf
- http://files.gloriousbibleinternational.com/uploads/1/3/1/3/131398008/7083321.pdf
- http://bated.re-ventum.com/uploads/1/3/1/4/131407995/kazef.pdf
- http://files.highclasswhoopass.com/uploads/1/3/1/6/131636941/4606565.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/1409/2960/files/google_drive_symlink.pdf
- https://cdn.shopify.com/s/files/1/0436/4717/2768/files/mefalekulagajivoguzolo.pdf
- https://cdn.shopify.com/s/files/1/0434/5649/5769/files/49452937996.pdf
- https://cdn.shopify.com/s/files/1/0438/0708/0610/files/guide_to_intelligent_data_analysis_download.pdf
- https://cdn.shopify.com/s/files/1/0430/8680/7201/files/88986909603.pdf
- https://cdn.shopify.com/s/files/1/0433/4351/1706/files/93233849833.pdf
- https://cdn.shopify.com/s/files/1/0431/9612/1248/files/capacitive_humidity_sensor.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/dermatitis_seborreica_y_alopecia.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/toretokadumiwefabefeta.pdf
- https://cdn.shopify.com/s/files/1/0433/6851/3686/files/nikoj.pdf
- https://cdn.shopify.com/s/files/1/0435/1701/8267/files/image_line_sign_up.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_off000062bd.bin7c78bfd1c8289edeaceb86f9cb61c966bcb892df7e85cf8a8d3bdeb8fa58991c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BD | 5540 bytes |
font_01_sfnt_off0000756f.bin239315971851d57e8547c46a0a40d7df6abe3bc8f58ae7910de15a106069c4b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756F | 10172 bytes |
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