MALICIOUS
136
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 appear to be part of a link farm, suggesting a malicious SEO or content distribution scheme. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document may also be attempting to trick users into providing passwords for encrypted archives, a common tactic to bypass gateway security. While no scripts were directly extracted, the presence of numerous external URLs and the ML classification strongly suggest malicious intent, likely involving the download of further payloads.
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://mychinesewatch.com/uploads/1/3/0/2/130271211/130271211.html#que+es+el+prologo+y+cual+es+su+funcion
- http://npcmutantmuscle.com/uploads/1/3/0/6/130604304/fawodefiku-lamof-bezexew-pipow.pdf
- http://lindsaykpatton.com/uploads/1/3/0/6/130604086/32d883eb.pdf
- http://zasyoga.com/uploads/1/3/0/6/130621511/947a8.pdf
- http://gcesportstv.com/uploads/1/3/0/2/130288710/6168495.pdf
- http://hannibalbankyachtclub.com/uploads/1/3/1/0/131070113/gekiv_dovupadagewox_likasojagolag.pdf
- http://cbcsomerset.com/uploads/1/3/0/5/130542755/konemusevofidenato.pdf
- http://alphaclothing.online/uploads/1/3/0/5/130542859/fokuzebigevolam_wegixep.pdf
- http://zafaranis.com/uploads/1/3/0/3/130379675/5bc4de31f36b7.pdf
- http://petcura.net/uploads/1/3/0/2/130289354/sodafipen-dipoxobiwasa.pdf
- http://havencaylorbrown.com/uploads/1/3/0/7/130739200/lunux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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/
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
- http://www.adobe.com/).Noto
- http://www.google.com/get/noto/http://www.adobe.com/type/This
- http://scripts.sil.org/OFLNoto
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070bd.binc5cae2f6f96fd9b7a63e2b7c034d1fc8dfac1f0b5cf35432dd6bad12451f86d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70BD | 9116 bytes |
font_01_sfnt_off00009184.bine493f91d1982773746a00dda7a7919ea04b598cbbf79d703006b6c48179309ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9184 | 4000 bytes |
font_02_sfnt_off00009ead.bin885781ec91db75dc8c4a6a3d3dac0324bdfdb8f2239dab70466c62035ae072da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EAD | 4144 bytes |
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