MALICIOUS
96
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 point to other PDF files hosted on similar domains. The 'PDF_SEO_LINK_FARM' heuristic indicates a mass of external links, suggesting a link farm or redirection scheme. The embedded URLs, such as http://74-123-75-232.mgwnet.com/uploads/1/3/1/8/131856380/131856380.html#computer+networks+tanenbaum+pdf, are likely part of this scheme to distribute malicious content. No scripts were extracted, but the structure strongly suggests a phishing or malware distribution attempt.
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://74-123-75-232.mgwnet.com/uploads/1/3/1/8/131856380/131856380.html#computer+networks+tanenbaum+pdf
- http://220-jillcohen.iaany.org/uploads/1/3/0/9/130969568/29864be.pdf
- http://hausundgartenservice.org/uploads/1/3/0/2/130272081/gesenet.pdf
- http://everest-edition.com/uploads/1/3/0/6/130621649/c316a887eab7.pdf
- http://smart-touchscreen.com/uploads/1/3/0/7/130739926/8039848.pdf
- http://indigosoapworks.com/uploads/1/3/1/8/131856394/golulamazezunom_xurujulijibig.pdf
- http://whitneyblairnorris.com/uploads/1/3/0/7/130775304/5013559.pdf
- http://mail.vape3one.com/uploads/1/3/0/7/130775920/dd9e4097.pdf
- http://chaplainscollege.education/uploads/1/3/0/2/130289304/9795215.pdf
- http://revras.org/uploads/1/3/0/8/130873861/514414.pdf
- http://autodiscover.jzplabelling.com.au/uploads/1/3/0/9/130969030/jilipodam_nuleruwawatagi.pdf
- http://cpgclasses.com/uploads/1/3/0/2/130287977/2a302f4f8.pdf
- http://nnkn.blog/uploads/1/3/1/4/131437780/lezosekimulefav_sojar.pdf
- http://eva-uhhhh.com/uploads/1/3/1/8/131872054/tufajusabigu.pdf
- http://74-123-75-232.mgwnet.com/uploads/1/3/1/8/131856380/terms.html
- http://74-123-75-232.mgwnet.com/uploads/1/3/1/8/131856380/dmca.html
- http://74-123-75-232.mgwnet.com/uploads/1/3/1/8/131856380/policy.html
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://dalotefak.files.wordpress.com/2020/06/sijewomiwowiwusulut.pdf
- https://pidogodunit.files.wordpress.com/2020/06/dupafofa.pdf
- https://tejizofuraxi.files.wordpress.com/2020/06/desitiliziliwesadenezo.pdf
- https://tetubupi.files.wordpress.com/2020/06/57049110842.pdf
- https://vikotefo.files.wordpress.com/2020/06/ronelurojuri.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/
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000766b.bindbe5874f69b0ad70ca73bb63cfe48ee4eff6dd4434f7e7beb7a26f98b30f01c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x766B | 10304 bytes |
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