MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier also flagged this PDF as malicious with high confidence. The embedded document body text, though partially corrupted, contains a URL that is also present in the list of external links. This suggests a coordinated effort to redirect users to potentially malicious content hosted across multiple 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://cypruspointconstructionllc.com/uploads/1/3/0/8/130813658/130813658.html#definicion+sintesis+en+quimica
- http://gemzcashhomesolutions.org/uploads/1/3/0/7/130776599/9668c4f4f9ff.pdf
- http://texasfundingsolutions.com/uploads/1/3/0/3/130313177/52b6774d.pdf
- http://katherinesiu.com/uploads/1/3/0/2/130270912/mexabemututefivuvadi.pdf
- http://mbpetrochemical.com/uploads/1/3/0/5/130539792/8921306.pdf
- http://haysheatcool.com/uploads/1/3/0/6/130604046/bdb2ded37a0fe.pdf
- http://egigscare.net/uploads/1/3/0/5/130588796/dubip.pdf
- http://xpresswheelscouriers.com/uploads/1/3/0/6/130639342/7254735.pdf
- http://sunriseblendroasters.net/uploads/1/3/0/2/130289322/7102717.pdf
- http://equineapprentice.com/uploads/1/3/0/6/130604049/zezivaj.pdf
- http://linderdwyertherapy.com/uploads/1/3/1/1/131163559/kuwaneluxal-vewotuf-jezodupa.pdf
- http://outdoordistrictco.com/uploads/1/3/0/3/130379479/c570a2.pdf
- http://finplancg.com/uploads/1/3/0/5/130551387/5949342.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_off00006655.binc05ce7ab87d46e08798368cb1797b710e99e8fbeabe186150a00f0c8adf552ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6655 | 8752 bytes |
font_01_sfnt_off00008668.bine91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8668 | 2652 bytes |
font_02_sfnt_off00008fcf.bin779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FCF | 16036 bytes |
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