MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are to similarly structured URLs, indicating a link farm or SEO manipulation tactic. The document body, though partially corrupted, contains references to educational topics and the authoring application, suggesting a lure. The presence of numerous external URIs and the ML classifier's high confidence score strongly suggest malicious intent, likely to redirect users to potentially harmful content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://brownstonesells.com/uploads/1/3/1/1/131164034/131164034.html#ejercicios+funciones+2+eso+vitutor
- http://josuethebarber.com/uploads/1/3/1/6/131608017/xigesi-fipejat-kafuzujirawovi-pudob.pdf
- http://sweethomealamama.com/uploads/1/3/0/7/130775014/b18307.pdf
- http://burgerchampsjack.com/uploads/1/3/0/5/130539437/0d44f.pdf
- http://morguinn.com/uploads/1/3/1/3/131398133/jisukinamuruf_rilexopakul_soralewabi.pdf
- http://vincelaliberte.com/uploads/1/3/1/3/131384289/cf991ba3d3cf.pdf
- http://dalprimobullmastiffs.com/uploads/1/3/0/6/130620625/7e96fcc1d5.pdf
- http://paulsonquispe.com/uploads/1/3/1/4/131452923/3102335.pdf
- http://flyanddry.com/uploads/1/3/0/3/130313190/nojikimo.pdf
- http://mta-sts.mx.mikemerrittart.com/uploads/1/3/0/9/130969438/tituvagem.pdf
- http://espacemailcloud.com/uploads/1/3/0/2/130289399/d250bc2c6d35.pdf
- http://charlybrownsdream.com/uploads/1/3/0/7/130739678/1435984.pdf
- http://storretrucking.shop/uploads/1/3/0/5/130551319/jibawumoxi-zunukiji-pejidudinevono.pdf
- http://mx.starsandsonco.com/uploads/1/3/0/7/130775567/2076452.pdf
- http://mail.leehbrown.com/uploads/1/3/1/4/131409597/xunukezom.pdf
- http://brownstonesells.com/uploads/1/3/1/1/131164034/terms.html
- http://brownstonesells.com/uploads/1/3/1/1/131164034/dmca.html
- http://brownstonesells.com/uploads/1/3/1/1/131164034/policy.html
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://bilogez.files.wordpress.com/2020/06/tojegidafejutuwazed.pdf
- https://xeveralim.files.wordpress.com/2020/06/liwejosozujalasidam.pdf
- https://xefejezu.files.wordpress.com/2020/06/zinolo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ad2.binf6fcda41b7b28cbcf37c5dbd7bc9fe87cdd6018415ef500feb26e753aa5090c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AD2 | 11028 bytes |
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