MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded URLs that point to a domain commonly associated with malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of a 'download button' heuristic further supports a malicious intent. The document body, though garbled, includes URLs that appear to be part of a lure to download a file. The primary malicious URLs identified are http://uncpbisdegree.com/download3.php?q=the-city-in-the-classical-and-post-classical-world-changing-contexts-of-power-and-identity.pdf and http://uncpbisdegree.com/download4.php?q=the-city-in-the-classical-and-post-classical-world-changing-contexts-of-power-and-identity.pdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.9340
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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PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARMPDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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-city-in-the-classical-and-post-classical-world-changing-contexts-of-power-and-identity.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-city-in-the-classical-and-post-classical-world-changing-contexts-of-power-and-identity.pdfIn PDF document text
- http://www.wichert.org/icid.htmlIn PDF document text
- http://essenglish.org/cfp/books-journals-2018-04-06/In PDF document text
- http://www.econterms.com/econtent.htmlIn PDF document text
- http://www.bibme.org/In PDF document text
- http://trac.org.uk/publications/pubs/In PDF document text
- http://changingminds.org/explanations/theories/a_clusters.htmIn PDF document text
- http://changingminds.org/explanations/explanations.htmIn PDF document text
- http://changingminds.org/explanations/theories/theories.htmIn PDF document text
- https://christogenea.org/In PDF document text
- https://rodneybrooks.com/the-seven-deadly-sins-of-predicting-the-future-of-ai/In PDF document text
- http://riverside-resort.net/1/star-quest-submarine.pdfIn PDF document text
- http://riverside-resort.net/1/the-genesis-flaw.pdfIn PDF document text
- http://riverside-resort.net/1/spare-parts-manual-manta-2-0.pdfIn PDF document text
- http://riverside-resort.net/1/u-s-fails-to-tackle-abuse-151081.pdfIn PDF document text
- http://riverside-resort.net/1/singer-embroidery-design-cards.pdfIn PDF document text
- http://riverside-resort.net/1/sullair-air-compressor-manual-20-150.pdfIn PDF document text
- http://riverside-resort.net/1/un32eh5000-manual.pdfIn PDF document text
- http://riverside-resort.net/1/teachers-recruitment-board-chennai-600-006-direct.pdfIn PDF document text
- http://riverside-resort.net/1/trump-fbi-director.pdfIn PDF document text
- http://riverside-resort.net/1/statistics-in-clinical-vaccine-trials.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.jstor.org/subject/anthropologyIn PDF document text
- https://en.wikipedia.org/wiki/CityIn PDF document text
- https://en.wikipedia.org/wiki/TechnologyIn PDF document text
- https://www.jstor.org/subject/musicIn PDF document text
- http://bmcr.brynmawr.edu/2017/In PDF document text
- https://us.macmillan.com/In PDF document text
- http://slatestarcodex.com/2018/01/24/conflict-vs-mistake/In PDF document text
- http://www.seattle.gov/arts/cityartist-projects-grantIn PDF document text
- https://nladesignvisual.wordpress.com/2013/04/25/william-kentridge-1955/In PDF document text
- http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409In PDF document text
- https://go.microsoft.com/fwlink/?linkid=868922In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617297In PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000047a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47A0 | 10716 bytes |
SHA-256: e5488cfee694d838508f11495612b7656611ad323f4d789144708b9edc0ceb58 |
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font_01_sfnt_off00006974.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6974 | 7136 bytes |
SHA-256: 4d624991d2363ccb5e02aaceb9b55694a13c2866dbfdd73b4765935328531355 |
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