MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://trafffi.ru/strik?utm_term=radioactive+decay+half+life+problems PDF link annotation
- https://letalisukom.weebly.com/uploads/1/3/4/3/134316231/5435082.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460232/normal_5fa9b12b90847.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384822/normal_5f94af295b801.pdfIn PDF document text
- https://maxuvejalova.weebly.com/uploads/1/3/4/2/134265339/31337175f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417995/normal_5fa10caf2c06a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393898/normal_5fa1983097f72.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372358/normal_5f9427f418110.pdfIn PDF document text
- https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/bijuloribo-tuvevomunalet-didozopoj.pdfIn PDF document text
- https://natagudere.weebly.com/uploads/1/3/4/5/134526504/bomajor_wexob_rejobafumifozus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bikikanafopavu/28661218245.pdfIn PDF document text
- https://s3.amazonaws.com/bizamesuwepe/pimavevule.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/ibpsguide_hindu_vocabulary.pdfIn PDF document text
- https://s3.amazonaws.com/bovenotojitowe/5188603951.pdfIn PDF document text
- https://s3.amazonaws.com/zuwosil/27226127703.pdfIn PDF document text
- https://s3.amazonaws.com/regegozumekoza/book_design_ideas.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B1 | 5704 bytes |
SHA-256: 40c5aeb9f6a57d743d847b7859fbe1a837f3c7ec7b36c9612d2183f6e19d8564 |
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font_01_sfnt_off0000e5fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FC | 11364 bytes |
SHA-256: f4ce9bb4af98adc60094a0a19a6a2309365508d2a3871352b8438906ada51c13 |
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