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 1.0000
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://traffnew.ru/123?keyword=combination+and+permutation+worksheet+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4417537/normal_5fa10aefe3ae9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385850/normal_5f915a4ed7c43.pdfIn PDF document text
- https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/pogamawo_nesopabim_pipufixisizef.pdfIn PDF document text
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387040/normal_5f974cccbbf20.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/jebupofedijakuk/biology_laboratory_apparatus_and_their_uses_with_pictures.pdfIn PDF document text
- https://s3.amazonaws.com/zonivezada/devi_argala_stotram.pdfIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/attendance_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/muxegeza/tv_guide_jackson_ms_comcast.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_off00004d30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D30 | 5452 bytes |
SHA-256: 75236b20a242390b93414160fa8e7572fa4c68121e9b268c7a68f476d15fc6b5 |
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font_01_sfnt_off00005f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F98 | 9540 bytes |
SHA-256: d98858439a1a2706666f17e5409a6a9e0915d2bbfa016911d7ff02d87cc5d6fb |
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