MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file contains multiple embedded URLs that mimic educational content, specifically test answers. The ML classifier flagged this PDF as malicious with a high probability. The presence of a 'download button' heuristic further supports the lure. The primary attack pattern involves directing the user to download a malicious PDF disguised as educational material.
Machine Learning
- Nyx PDF Classifier malicious score 0.7480
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=solutions-intermediate-test-answers-unit-6.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=solutions-intermediate-test-answers-unit-6.pdfIn PDF document text
- http://pkdrei.de/answer/solution/answer_solution_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://elpida.de/solutions/intermediate/solutions_intermediate_test_answers_unit_6.pdfIn PDF document text
- http://annaca.de/answer/solutions/answer_solutions_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://ceolta.de/answer/solution/answer_solution_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://asian.cx/answer/solutions/answer_solutions_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://grappi.de/answer/solution/answer_solution_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://kiproe.de/unit/9/unit_9_test_answers_solutions_intermediate.pdfIn PDF document text
- http://quicktradeimpex.com/reads-online/solutions-intermediate-test-answers-unit-6.pdfIn PDF document text
- http://kannon.de/solution/intermediate/solution_intermediate_test_answers_unit_6.pdfIn PDF document text
- http://kukla.lv/skola/Anglu_Val_TestuATB.pdfIn PDF document text
- http://ryfles.de/answer/solutions/answer_solutions_pre_intermediate_test_unit_6.pdfIn PDF document text
- http://uncpbisdegree.com/1/sony-kv-32xbr70-tvs-owners-manual.pdfIn PDF document text
- http://uncpbisdegree.com/1/statephysical-science-2018-paper1-november-grade11.pdfIn PDF document text
- http://uncpbisdegree.com/1/selected-works-of-rd-laing-knots-vol-7.pdfIn PDF document text
- http://riverside-resort.net/1/well-done-teens-3-coursebook.pdfIn PDF document text
- http://riverside-resort.net/1/unto-the-sons-gay-talese.pdfIn PDF document text
- http://riverside-resort.net/1/why-can-earthquakes-signal-possible-volcanic-eruptions.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-best-of-dick-dale-15-classics-from-the-king-of-the-surf-guitar-guitar-recorded-version.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-eagles-prophecy-eagle-6-simon-scarrow.pdfIn PDF document text
- http://uncpbisdegree.com/1/service-tv-user-manuals.pdfIn PDF document text
- http://riverside-resort.net/1/uni-of-melbourne-acceptance-rate.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.scribd.com/document/176581910/Units-2-3-Test-Solutions-IntermediateIn PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617350In 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://www.scribd.com/.../Units-2-3-Test-Solutions-IntermediateIn 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_off00007e1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E1E | 14128 bytes |
SHA-256: a521f209489497607bab32f93d84dceaa2a802315d50f2fc98f75f9063181f84 |
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font_01_sfnt_off0000a920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA920 | 9076 bytes |
SHA-256: e69e84dceb50283d233d7edc9590975e68da5fca0f313535989e5371be7a807d |
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