MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of external links to other PDF files hosted on various domains, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates this behavior. The embedded URLs point to a network of sites that appear to be part of a link farm, suggesting a traffic redirection or content distribution scheme rather than a direct exploit.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://gmchamberpatrons.com/uploads/1/3/0/4/130476619/130476619.html#que+es+cretib PDF link annotation
- http://princetonkychamber.org/uploads/1/3/0/5/130588518/2730226.pdfIn PDF document text
- http://tasteofwestpoint.com/uploads/1/3/0/7/130775884/2867219.pdfIn PDF document text
- http://ebe-thebook.com/uploads/1/3/1/3/131379340/vamofeji_gokoku_lumoni.pdfIn PDF document text
- http://remfive.com/uploads/1/3/0/2/130288626/kigibijivetuj-novewufujurol.pdfIn PDF document text
- http://peachstatediesel.com/uploads/1/3/0/7/130739024/6422134.pdfIn PDF document text
- http://animals-pro.com/uploads/1/3/0/8/130814483/satunox_pokebenefe_detetudi_xepivoxujut.pdfIn PDF document text
- http://livearbonne.com/uploads/1/3/0/7/130776249/efa45c5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6949 | 9180 bytes |
SHA-256: 54edc5a99ae821561ebc9f9d4c4c7f4e4df4cc4c061df9b40fbefac271710b3d |
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font_01_sfnt_off00008a16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A16 | 2652 bytes |
SHA-256: e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc |
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font_02_sfnt_off0000937d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937D | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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