MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing indicating a redirector to known malicious infrastructure. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious sites. The ML classifier strongly indicates malicious intent.
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=vocabulary+workshop+unit+13+answers
- https://xijoxamapapi.weebly.com/uploads/1/3/4/3/134337958/zokalij_nofudewedow_nevok.pdf
- https://cdn-cms.f-static.net/uploads/4365575/normal_5f9238034cfee.pdf
- https://pesajupamobe.weebly.com/uploads/1/3/1/6/131607203/busenijikabemu_xijepo_fapirofakuduv.pdf
- https://kebakiwaranug.weebly.com/uploads/1/3/4/3/134317860/0e5329440.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/tiduro/energy_flow_in_aquatic_ecosystem.pdf
- https://s3.amazonaws.com/kakef/clear_glass_ornaments_to_fill.pdf
- https://s3.amazonaws.com/suxiweke/bitter_kola_health_benefits.pdf
- https://s3.amazonaws.com/jovekus/jojasupaxadofoxixem.pdf
- https://s3.amazonaws.com/bisegilupuf/stoichiometry_practice_mole-mass_answers.pdf
- https://s3.amazonaws.com/wixanarer/amorphous_silicon_solar_cell.pdf
- https://cdn.shopify.com/s/files/1/0434/6321/3209/files/mirarutidakarojivafuk.pdf
- https://cdn.shopify.com/s/files/1/0485/3632/2203/files/gta_3_android_cheats.pdf
- https://s3.amazonaws.com/wofaxil/is_google_email_down.pdf
- https://s3.amazonaws.com/vavapekadoliti/5_branches_of_philosophy.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_off000048f7.bin594e67df1b518b400185056a56233a183d785e20807d977313889c8a259f5249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48F7 | 5600 bytes |
font_01_sfnt_off00005c1d.bin8280a14fd0889b1ba079c542af860335985e1cb3fffdd1f9988016d3f968a5c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1D | 9188 bytes |
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