MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF document contains embedded URLs that point to download scripts, specifically 'http://uncpbisdegree.com/download3.php?q=the-naked-roommate-and-107-other-issues-you-might-run-into-in-college-harlan-cohen.pdf'. The document body and heuristics suggest a lure related to college issues, combined with a visual download button, indicating a likely phishing or scam attempt to trick users into downloading further malicious content. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9545
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-naked-roommate-and-107-other-issues-you-might-run-into-in-college-harlan-cohen.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-naked-roommate-and-107-other-issues-you-might-run-into-in-college-harlan-cohen.pdfIn PDF document text
- https://grownandflown.com/best-graduation-gifts-teens-young-adults/In PDF document text
- https://www.xoobooks.com/In PDF document text
- http://www.thescholarshipsystem.com/blog-for-students-families/10-unique-graduation-gift-ideas-high-schoolers/In PDF document text
- http://fathersmanifesto.net/whosajew.htmIn PDF document text
- http://riverside-resort.net/1/the-magnetospheric-cusps-structure-and-dynamics.pdfIn PDF document text
- http://riverside-resort.net/1/smc-smc7004abr-routers-owners-manual.pdfIn PDF document text
- http://riverside-resort.net/1/social-science-10th-gujrat-board-pepar-2018.pdfIn PDF document text
- http://riverside-resort.net/1/stochastic-analysis-and-applications-editorial-board.pdfIn PDF document text
- http://riverside-resort.net/1/singer-featherweight-sewing-machine-model-100-manual.pdfIn PDF document text
- http://riverside-resort.net/1/the-silk-road-20-projects-explore-the-world.pdfIn PDF document text
- http://riverside-resort.net/1/tourism-phase-1-grade-11.pdfIn PDF document text
- http://riverside-resort.net/1/the-crispin-cross-of-lead.pdfIn PDF document text
- http://riverside-resort.net/1/statistics-data-analysis-and-decision-modeling-4th-edition-solution-manual.pdfIn PDF document text
- http://riverside-resort.net/1/the-glass-castle-discussion-questions-and-answers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.amazon.com/Oh-Sh-You-Dont-Know/dp/1533122911In PDF document text
- https://www.amazon.com/books-used-books-textbooks/b?ie=UTF8&node=283155In PDF document text
- https://www.amazon.com/Entertainment-Books/b?ie=UTF8&node=86In PDF document text
- https://www.amazon.com/Humor-Entertainment-Books/b?ie=UTF8&node=4456In PDF document text
- http://www.businessinsider.com/books-freshmen-should-read-first-year-of-college-2017-9In PDF document text
- https://www.amazon.com/101-Questions-Need-Your-Twenties/dp/0802416918In PDF document text
- https://www.amazon.com/Christianity-Religion-Spirituality-Books/b?ie=UTF8&node=12290In PDF document text
- https://www.amazon.com/Christian-Living-Christianity-Books/b?ie=UTF8&node=12333In PDF document text
- https://www.hollywoodreporter.com/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_off0000423e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x423E | 10248 bytes |
SHA-256: e1a9f432cf7ec0c8414d258e5cb7a202385f41789b84ff35d0485353f6366daa |
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font_01_sfnt_off000062eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62EB | 7580 bytes |
SHA-256: dcc48403ade0aaab5c22d599215f6bb33eff150cf2dfd4b23f27e2d37549767f |
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