MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the structure suggests a link farm or redirection mechanism, potentially for SEO manipulation or to distribute further malicious content. The primary intent appears to be directing users to a vast array of external PDF documents.
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 http://thehumanresiliencyproject.org/uploads/1/3/1/8/131871644/131871644.html#banda+ms+mi+razon+de+ser+descargar+m PDF link annotation
- http://ofertasmedellin.com/uploads/1/3/0/2/130273850/7b41f0a35.pdfIn PDF document text
- http://simply-crafty.com/uploads/1/3/0/6/130620962/0a772d.pdfIn PDF document text
- http://hostmaster.shiatsu.gent/uploads/1/3/0/6/130604903/xanokawif.pdfIn PDF document text
- http://jr-group.org/uploads/1/3/0/3/130379391/1051970.pdfIn PDF document text
- http://ready2sign.org/uploads/1/3/1/3/131379899/tejope_lulomubasogugox.pdfIn PDF document text
- http://detourfromtheeveryday.com/uploads/1/3/0/5/130589305/dolibopajanipol.pdfIn PDF document text
- http://bluelionelectronics.com/uploads/1/3/0/7/130739116/5a6c553cf.pdfIn PDF document text
- http://thehumanresiliencyproject.org/uploads/1/3/1/8/131871644/terms.htmlIn PDF document text
- http://thehumanresiliencyproject.org/uploads/1/3/1/8/131871644/dmca.htmlIn PDF document text
- http://thehumanresiliencyproject.org/uploads/1/3/1/8/131871644/policy.htmlIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gefadosujugi.files.wordpress.com/2020/05/20652517390.pdfIn PDF document text
- https://boxavamox.files.wordpress.com/2020/05/dinemunumojunavilese.pdfIn PDF document text
- https://guzamid.files.wordpress.com/2020/05/10239342520.pdfIn PDF document text
- https://mopetane.files.wordpress.com/2020/06/7505713773.pdfIn PDF document text
- https://kawumafovod.files.wordpress.com/2020/06/zogasevufivejo.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E66 | 13156 bytes |
SHA-256: 121f2d896c2cec6f8e1518c2a61b8e03d3b3218811c12ea37ebb7b1792bdb188 |
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