MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which appear to be part of a link farm designed to obscure malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to decrypt an archive, a common tactic to bypass security filters. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://adriannicolas.com/uploads/1/3/0/4/130436492/130436492.html#paraiso+travel+libro+pdf+completo
- http://charterpathways.com/uploads/1/3/0/6/130604227/4540764.pdf
- http://my-trg.com/uploads/1/3/0/6/130605509/jedasiwuneweped.pdf
- http://theroyalpriesthoodblog.com/uploads/1/3/0/5/130542953/sitawalalajuvep.pdf
- http://brasymmetry.com/uploads/1/3/0/6/130639461/wisogukemugugepajo.pdf
- http://happygamesorg.com/uploads/1/3/0/6/130604152/5029850.pdf
- http://kundalinico-op.com/uploads/1/3/0/6/130639038/4895a.pdf
- http://afewupliftingwords.com/uploads/1/3/0/3/130379466/deropuzebulewitutuda.pdf
- http://uscsa.org/uploads/1/3/0/5/130588493/1666759.pdf
- http://steeleharbor.net/uploads/1/3/1/1/131163917/zebezuvamotutiluki.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://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_off00007c42.bin6661ffae9d8733fe4bf3ce5b40db90c40082439a419ef05bcfdd3dc75ef5e633 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C42 | 10276 bytes |
font_01_sfnt_off0000a104.bine91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA104 | 2652 bytes |
font_02_sfnt_off0000aa6b.bin779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA6B | 16036 bytes |
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