MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, indicating a potential SEO link farm or a distribution point for malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be part of a multi-stage attack, possibly encrypting payloads to evade initial scanning. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://74-123-77-236.mgwnet.com/uploads/1/3/1/1/131164100/131164100.html#ventajas+y+desventajas+de+motores+de+corriente+continua
- http://metamixis.com/uploads/1/3/0/2/130291475/5669661.pdf
- http://sellgoldny.info/uploads/1/3/0/7/130776002/lurovimap.pdf
- http://eduexchange.org/uploads/1/3/0/5/130588550/8525522.pdf
- http://www.klausvaillant.com/uploads/1/3/0/5/130588943/dukafonigesan-fejut-bevonufibikijam.pdf
- http://organicfromjosh.com/uploads/1/3/0/6/130639524/munovavupe.pdf
- http://ucsfophthresidency.org/uploads/1/3/0/3/130323959/dd933c9.pdf
- http://thecommonstitch.com/uploads/1/3/0/7/130740017/kisis_luwof.pdf
- http://villaggiobaiadebahas.com/uploads/1/3/0/8/130873783/resokipixo.pdf
- http://www.bioinnovationasia.com/uploads/1/3/0/8/130814715/sufax.pdf
- http://beautifylbi.com/uploads/1/3/0/7/130738778/39880c83282.pdf
- http://ellashaka.com/uploads/1/3/0/4/130492771/2233747.pdf
- http://danicagoward.com/uploads/1/3/0/5/130550688/3509633.pdf
- http://transusxpress.com/uploads/1/3/0/4/130488875/7c8c8506cc1.pdf
- http://nesyb.net/uploads/1/3/0/5/130550857/8356381fb4c8dd.pdf
- http://striveacademics.com.au/uploads/1/3/0/4/130483765/sunazofisixubemit.pdf
- http://procine.co/uploads/1/3/0/2/130288326/11b7093d7b3b.pdf
- http://cpanel.modtechgroup.com.au/uploads/1/3/0/5/130538902/1784784.pdf
- http://northcoastfoodtours.com/uploads/1/3/0/4/130488316/somoxudababepoz.pdf
- http://expertfoundationrepairsugarland.com/uploads/1/3/0/7/130740077/wuzilarokaketunufuli.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/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c61.bin85d58a5646aff4afbf948210d3419dba4c4a601234efc3db6aaa8e6b22ad8a67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C61 | 8716 bytes |
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