MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains heuristics indicating it is a fake 'free download' SEO-poisoning document. It embeds URLs that lead to a download page, suggesting an attempt to lure the user into downloading a second-stage payload. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9276
Heuristics 4
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Fake 'free download' SEO-poisoning PDF critical PDF_SEO_FAKE_DOWNLOADThe ML classifier flagged this PDF AND it carries a visual download/call-to-action lure AND an off-domain server-side download-gateway link whose query string names a document payload. This three-signal conjunction is the fake-document / 'free PDF download' SEO-poisoning delivery pattern: the page is padded with benign decoy links to dilute classifier scores while funnelling the victim through the gateway to malware/scareware. Acting only on the conjunction keeps benign download-bearing PDFs from being misflagged.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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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://uncpbisdegree.com/download3.php?q=the-centaur-algernon-blackwood.pdf
- http://uncpbisdegree.com/download4.php?q=the-centaur-algernon-blackwood.pdf
- http://www.mccunecollection.org/fine_printing.html
- http://www.gatewayalpacas.com/alpacas/alpacas-as-a-business/new-owner-checklist.htm
- http://www.vcisinc.com/clarinetcds.htm
- http://riverside-resort.net/1/test-bank-for-biology-campbell-9th-edition.pdf
- http://riverside-resort.net/1/solution-manual-glencoe-geometry.pdf
- http://riverside-resort.net/1/service-manuals-for-td8h-dresser-dozer.pdf
- http://riverside-resort.net/1/toyota-levin-assembly-diagram.pdf
- http://riverside-resort.net/1/treasure-hunt-for-kids-song.pdf
- http://riverside-resort.net/1/toyota-1c-wireing-diagram.pdf
- http://riverside-resort.net/1/the-snowstorm.pdf
- http://riverside-resort.net/1/service-manual-isuzu-npr-transmission.pdf
- http://riverside-resort.net/1/soufeel-coupon.pdf
- http://riverside-resort.net/1/study-guide-for-physics-caps.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://manybooks.net/categories/OCC
- https://en.wikipedia.org/wiki/Numinous
- http://www.gutenberg.org/browse/authors/b
- http://lovecraft.wikia.com/wiki/Howard_Phillips_Lovecraft
- https://en.wikipedia.org/wiki/H_P_Lovecraft
- https://newspaperarchive.com/london-morning-post-jul-02-1853-p-5/
- http://tvtropes.org/pmwiki/pmwiki.php/Main/BrainBleach
- http://www.jstor.org/subject/literature
- http://discovery.nationalarchives.gov.uk/details/a/A13531878
- http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409
- http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409
- https://go.microsoft.com/fwlink/?linkid=868922
- http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409
- http://go.microsoft.com/fwlink/?LinkID=617297
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003de3.binb0f2d473ad47f61bf6d0123b13f39beceb7156631929d0225db2d8ce47707600 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3DE3 | 9944 bytes |
font_01_sfnt_off00005d94.bin5bff884ce5f4d599ef7af6d7d37bf01a0af6e317e14124781ca571e6528008b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D94 | 7116 bytes |
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