MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links, https://cctraff.ru/123?keyword=womens+gothic+clothing+amazon, is identified as a malicious redirector, indicating an attempt to lead users to harmful 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://cctraff.ru/123?keyword=womens+gothic+clothing+amazon
- https://cdn-cms.f-static.net/uploads/4379474/normal_5f9172dac0375.pdf
- https://cdn-cms.f-static.net/uploads/4366313/normal_5f88b1547c830.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0497/8363/6119/files/muwepebuxoz.pdf
- https://s3.amazonaws.com/vidadaviwal/sejinifarifaduwakum.pdf
- https://s3.amazonaws.com/nisoxow/mystery_hostess_usborne.pdf
- https://uploads.strikinglycdn.com/files/8d3b4c05-79e1-4422-90cf-8da8f4624759/65674873234.pdf
- https://s3.amazonaws.com/petikamov/durutawotunimusuzabitim.pdf
- https://uploads.strikinglycdn.com/files/039bea77-9cd4-4ba4-931c-7bae6a4ec779/gowumox.pdf
- https://cdn.shopify.com/s/files/1/0505/9294/0200/files/72910659877.pdf
- https://cdn.shopify.com/s/files/1/0430/8870/7738/files/belobexexugefivimobu.pdf
- https://cdn.shopify.com/s/files/1/0266/7993/5159/files/64345966152.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7250/files/active_to_passive_exercises_b2.pdf
- https://uploads.strikinglycdn.com/files/f1b254a6-39c6-420b-bce1-1f18a3ae894d/46440189096.pdf
- https://uploads.strikinglycdn.com/files/cbf64f44-e127-4e42-9118-d4cf4545e328/por_un_puente_que_lacera.pdf
- https://cdn.shopify.com/s/files/1/0505/2416/0200/files/search_everything_app_for_android.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_off0000721b.binc8fa984032e8859baf2c6c685734cefd0a141f32e9d0e4792f26224d11aaac4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x721B | 5180 bytes |
font_01_sfnt_off000083af.bin75727e66b7f661f9943e3f329dd101ee2fa45eef282fc74070282c504c99b7bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83AF | 11316 bytes |
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