MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. While no scripts were explicitly extracted, the nature of the embedded links suggests a potential for JavaScript execution or further redirection to malicious sites.
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://blacktreelofts.com/uploads/1/3/0/6/130604667/130604667.html#cuales+son+las+partes+de+un+polinomio
- http://inspiroihu.com/uploads/1/3/0/6/130620603/sefepopuka_xejijezow_wemanirasugif.pdf
- http://aptaussieshome.com/uploads/1/3/0/6/130603692/571367.pdf
- http://www.loudesigns.net/uploads/1/3/0/7/130775701/5901539.pdf
- http://bcroofingcompany.com/uploads/1/3/0/7/130775806/nemed.pdf
- http://www.lovebotanical.com/uploads/1/3/0/7/130738578/kejagimesofufub.pdf
- http://www.iteachbydesign.org/uploads/1/3/0/2/130271240/92bc2e1d3f965af.pdf
- http://listborg.net/uploads/1/3/0/4/130476502/nutiderububiwomupo.pdf
- http://kkompani.com/uploads/1/3/0/3/130312980/6f4a3.pdf
- http://3505brunell.com/uploads/1/3/0/7/130776649/dizalatulajefot.pdf
- http://damorse.com/uploads/1/3/0/6/130603944/sedene-jefamovalir.pdf
- http://www.genzmktg.com/uploads/1/3/0/6/130620280/c16219f6e82.pdf
- http://www.letschocolati.in/uploads/1/3/0/6/130604148/15921bb4d830.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://www.adobe.com/).Noto
- http://www.google.com/get/noto/http://www.adobe.com/type/This
- http://scripts.sil.org/OFLNoto
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065c8.bin0227f81ba6fddaad1c6f50f5d182420eba8f2a09777806779e488aabe00a00ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C8 | 8688 bytes |
font_01_sfnt_off00008532.bin885781ec91db75dc8c4a6a3d3dac0324bdfdb8f2239dab70466c62035ae072da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8532 | 4144 bytes |
font_02_sfnt_off00009228.binf31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9228 | 16204 bytes |
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