MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF contains embedded URLs that mimic search result links, specifically for a book titled 'the clue of broken locket nancy drew 11 carolyn keene'. The primary URL, http://uncpbisdegree.com/download3.php?q=the-clue-of-broken-locket-nancy-drew-11-carolyn-keene.pdf, is flagged as suspicious and likely serves as a lure for a malicious download. The ML classifier also flagged this PDF as malicious with a high probability.
Machine Learning
- Nyx PDF Classifier malicious score 0.9525
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-clue-of-broken-locket-nancy-drew-11-carolyn-keene.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-clue-of-broken-locket-nancy-drew-11-carolyn-keene.pdfIn PDF document text
- http://www.nancydrewsleuth.com/mysterystories.htmlIn PDF document text
- http://www.ndsleuths.com/ndsconventions.htmlIn PDF document text
- http://riverside-resort.net/1/the-teachers-funeral.pdfIn PDF document text
- http://riverside-resort.net/1/switzerland-2015-michelin-national-map-729-michelin-national-maps.pdfIn PDF document text
- http://riverside-resort.net/1/the-foundations-of-common-sense.pdfIn PDF document text
- http://riverside-resort.net/1/title-microeconomics-8th-edition-author-robert-pindyck.pdfIn PDF document text
- http://riverside-resort.net/1/un-deux-trois-dual-language-french-english-first-french-rhymes-book-cd.pdfIn PDF document text
- http://riverside-resort.net/1/the-complete-idiot-s-guide-to-fermenting-foods.pdfIn PDF document text
- http://riverside-resort.net/1/stonewolf-teacher-apos-s-edition.pdfIn PDF document text
- http://riverside-resort.net/1/the-last-light-of-the-sun.pdfIn PDF document text
- http://riverside-resort.net/1/solution-of-macroeconomics-theories-and-policies-froyen.pdfIn PDF document text
- http://riverside-resort.net/1/theories-of-general-education-a-critical-approach.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://en.wikipedia.org/wiki/Carolyn_KeeneIn PDF document text
- https://en.wikipedia.org/wiki/Nancy_DrewIn PDF document text
- https://sv.wikipedia.org/wiki/Kitty_DrewIn PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=SV_EN&a=https%3a%2f%2fsv.wikipedia.org%2fwiki%2fKitty_DrewIn PDF document text
- https://fr.wikipedia.org/wiki/Alice_RoyIn PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=FR_EN&a=https%3a%2f%2ffr.wikipedia.org%2fwiki%2fAlice_RoyIn PDF document text
- https://y.qq.com/In PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=ZH-CHS_EN&a=https%3a%2f%2fy.qq.com%2fIn 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_off00003d0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3D0D | 10316 bytes |
SHA-256: a1053183c8bc5c0b2d8138f34deec897a210b13c1b13a22c96467c94ae8770b5 |
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font_01_sfnt_off00005def.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEF | 6936 bytes |
SHA-256: 1c2237e63d2193a6a661126d27bd1f011297a189586cc727c83de588c209f3c4 |
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