MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.002 Spearphishing Attachment
The PDF file was flagged by an ML classifier as malicious. It contains embedded URLs pointing to a suspicious domain, uncpbisdegree.com, which are likely intended to trick the user into downloading a secondary payload. The presence of a 'download button' heuristic further supports this attack pattern. No scripts were extracted, limiting further analysis of the payload's behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9123
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-golden-slipper-and-other-problems-for-violet-strange.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-golden-slipper-and-other-problems-for-violet-strange.pdfIn PDF document text
- http://www.hornywhores.net/In PDF document text
- http://www.readkiddoread.com/great-illustrated-books/storybooksIn PDF document text
- http://www.gmtoday.com/timeout/reviews.aspIn PDF document text
- https://www.vggts.gdn/where/index.htmIn PDF document text
- http://riverside-resort.net/1/us-aircraft-carrier-41.pdfIn PDF document text
- http://uncpbisdegree.com/1/taller-y-el-robot-el.pdfIn PDF document text
- http://uncpbisdegree.com/1/september-maths-grade-11-september-guidelines.pdfIn PDF document text
- http://riverside-resort.net/1/wheat-germ-dna-extraction-lab-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/su-clgn-turkler-turgut-ozakman.pdfIn PDF document text
- http://uncpbisdegree.com/1/skyrim-legendary-guide.pdfIn PDF document text
- http://riverside-resort.net/1/user-manual-for-mitsubishi-galant-2012.pdfIn PDF document text
- http://uncpbisdegree.com/1/tempting-adam-seattle-steam.pdfIn PDF document text
- http://uncpbisdegree.com/1/student-solutions-manual-for-statistics-informed.pdfIn PDF document text
- http://riverside-resort.net/1/water-and-wastewater-engineering-solutions.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://disney.wikia.com/wiki/EudoraIn PDF document text
- https://en.wikipedia.org/wiki/1915_in_literatureIn PDF document text
- http://gutenberg.net.au/crime-mystery.htmlIn PDF document text
- http://onceuponatime.wikia.com/wiki/Henry_MillsIn PDF document text
- https://www.gutenberg.org/browse/authors/gIn PDF document text
- http://www.writersdigest.com/prompts/the-missing-shoeIn PDF document text
- https://en.wikipedia.org/wiki/List_of_characters_in_FablesIn PDF document text
- http://gutenberg.net.au/ebooks15/1500221h.htmlIn PDF document text
- http://www.gutenberg.org/files/1322/1322-h/1322-h.htmIn PDF document text
- https://www.fragrantica.com/perfume/Lolita-Lempicka/Lolita-Lempicka-456.htmlIn PDF document text
- http://tvtropes.org/pmwiki/pmwiki.php/Pantheon/StorytellingIn PDF document text
- http://tvtropes.org/pmwiki/pmwiki.php/Main/BiTheWayIn PDF document text
- http://sentence.yourdictionary.com/wasIn 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
- http://disney.wikia.com/wiki/Nursery_In 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_off000044b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44B9 | 9856 bytes |
SHA-256: 8ff446131d137e4f8a810d6e69b84730fa95d7de60038833557407cf311a6efe |
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font_01_sfnt_off00006446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6446 | 7148 bytes |
SHA-256: e1237bcf348061fccb6cecde36dea3c61954312c7acc1f98ed9dcc04c98462e2 |
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