MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm of external URLs, many of which point to other PDF files. This suggests a social engineering tactic to direct users to potentially malicious content. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates this malicious intent. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://laculturatokyo.com/uploads/1/3/0/6/130620515/130620515.html#english+workbook+class+9+cbse+answers+unit+6 PDF link annotation
- http://hostmaster.thecoffeecupcakecompany.co.uk/uploads/1/3/1/6/131606373/a83d6e757.pdfIn PDF document text
- http://restoredministry.net/uploads/1/3/1/4/131453031/4018928.pdfIn PDF document text
- http://hostmaster.the-local-guide.co.uk/uploads/1/3/0/6/130620758/9591411.pdfIn PDF document text
- http://hostmaster.kmsuk.net/uploads/1/3/0/6/130621022/tuted_zabakamivixedut_jarapip_juxopalugoxuwel.pdfIn PDF document text
- http://emanandfiras.com/uploads/1/3/0/7/130739706/5180908.pdfIn PDF document text
- http://dimensionaldifferences.studio/uploads/1/3/1/6/131636990/7266184.pdfIn PDF document text
- http://wolfecityhomecoming.com/uploads/1/3/0/3/130379049/vigira.pdfIn PDF document text
- http://stonetrustcommercial.com/uploads/1/3/0/2/130287482/92ada5f8ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn 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_off0000530b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x530B | 10116 bytes |
SHA-256: ea7b13b253e1aae888934d91191188563c223d2a5b9f493cf5655b3d29718951 |
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font_01_sfnt_off000075e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E2 | 5068 bytes |
SHA-256: 0829d1c0dce8ac71930f0074ecd3cfc53df673feba7a3bf956d150812cae01ba |
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