MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF file contains embedded URLs and a visual call-to-action, suggesting a phishing or social engineering attempt. The ML classifier strongly flagged this PDF as malicious. The primary malicious URLs identified are related to downloading content, indicating a potential drive-by download or malware delivery vector. No scripts were extracted from this sample.
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-strong-gray-line-war-time-reflections-from-the-west-point-class-of-2004.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-strong-gray-line-war-time-reflections-from-the-west-point-class-of-2004.pdfIn PDF document text
- http://www.thomasgray.org/cgi-bin/display.cgi?text=elccIn PDF document text
- http://www.steamindex.com/backtrak/bt18.htmIn PDF document text
- http://www.steamindex.com/backtrak/bt24.htmIn PDF document text
- http://www.joantollifson.com/recommend.htmlIn PDF document text
- http://www.arkansascivilwar150.com/research-education/bibliography/In PDF document text
- http://www.healingcombattrauma.com/vietnam/In PDF document text
- http://www.cheatbook.de/In PDF document text
- http://www.bibme.org/In PDF document text
- http://cbci.in/SundayReflectionsNew.aspx?type=textIn PDF document text
- http://www.eruditorumpress.com/In PDF document text
- http://lib.jrshelby.com/In PDF document text
- http://uncpbisdegree.com/1/south-african-history-timeline.pdfIn PDF document text
- http://uncpbisdegree.com/1/singapore-english-1st-edition.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-conquering-family.pdfIn PDF document text
- http://riverside-resort.net/1/walmart-auto-repair-manuals.pdfIn PDF document text
- http://uncpbisdegree.com/1/springboard-senior-english-answer-key.pdfIn PDF document text
- http://uncpbisdegree.com/1/sprint-user-guides.pdfIn PDF document text
- http://uncpbisdegree.com/1/solution-manual-to-elements-of-statistical-learning.pdfIn PDF document text
- http://uncpbisdegree.com/1/statistics-practice-test-and-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/sony-vaio-pcg-71912l-motherboard.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-girl-in-the-river-alice-quentin-series.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/American_frontierIn PDF document text
- https://www.telegraph.co.uk/opinion/In PDF document text
- https://en.wikipedia.org/wiki/American_Revolutionary_WarIn PDF document text
- http://gatesofvienna.blogspot.com/In PDF document text
- http://www.gutenberg.org/browse/authors/gIn PDF document text
- https://www.nytimes.com/searchIn PDF document text
- http://www.au.af.mil/au/awc/awcgate/awc-thkg.htmIn 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_off000045a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45A0 | 10344 bytes |
SHA-256: 334efcec1bd96196f29f1123ce332750bddbffbbb53d0f74af87e513358d1d34 |
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font_01_sfnt_off00006671.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6671 | 7564 bytes |
SHA-256: 7fc48f1cc036da72a50b8734b8c60271531f65fde41cfbd831d546d35b8d4695 |
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