MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document is designed to appear as free worksheets for Spanish teachers, but it functions as a link farm. It contains numerous external links to PDF files hosted on various domains, likely intended to drive traffic or distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a deceptive SEO or traffic-driving scheme.
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://bellebaeuk.com/uploads/1/3/0/5/130550903/130550903.html#free+worksheets+for+spanish+teachers PDF link annotation
- http://mta-sts.mx.dinahsdreams.com/uploads/1/3/1/3/131383737/jatatuzabelobolagi.pdfIn PDF document text
- http://bishophollymission.org/uploads/1/3/0/5/130589413/6775779.pdfIn PDF document text
- http://cayugacutups.org/uploads/1/3/0/5/130551051/100c8.pdfIn PDF document text
- http://rockthedam.net/uploads/1/3/1/6/131606368/lujetu.pdfIn PDF document text
- http://egowheelchair.com/uploads/1/3/0/5/130588297/1492989.pdfIn PDF document text
- http://exchange19.ccfiji.com/uploads/1/3/0/7/130774964/7610354.pdfIn PDF document text
- http://slick2shine.com/uploads/1/3/1/8/131856402/652f51c4e57bdb8.pdfIn PDF document text
- http://cleanpro888.com/uploads/1/3/0/5/130544872/2513962.pdfIn PDF document text
- http://webdisk.chicagotrainingcenter.org/uploads/1/3/1/1/131164160/wibudizifiwijig.pdfIn PDF document text
- http://host5.celestecorp.com/uploads/1/3/1/1/131164097/jirukone_xevojexitirorat_figapuxizok.pdfIn PDF document text
- http://sultanalthani.com/uploads/1/3/0/3/130324289/sukojovaruxekotoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off000069e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E3 | 4968 bytes |
SHA-256: ccc11221d66172cb94e261835c6acc2c1d56f5f70f31c8cc09e48e2e686d425b |
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font_01_sfnt_off00007ad2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD2 | 10600 bytes |
SHA-256: e5cb41dc960dec82dfceddec4347eb9356d04a7d8a59f447188cbfd8f215cdc5 |
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