MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains heuristics indicating it is a fake download lure, specifically using SEO poisoning to appear as a legitimate educational resource. The embedded URLs, such as http://uncpbisdasdegree.com/download3.php?q=world-history-chapter-21-test-answer.pdf, are likely gateways to malicious content. The document body also contains numerous links, reinforcing the download lure tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.5900
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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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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External URI info PDF_URIPDF contains an external URL action
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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=world-history-chapter-21-test-answer.pdf
- http://uncpbisdegree.com/download4.php?q=world-history-chapter-21-test-answer.pdf
- http://ratiba.de/world/history/world_history_chapter_21_test_answer.pdf
- http://ykonline.yksd.com/distanceedcourses/Courses/WorldHistory/AssingmentGuides/Chapter21.html
- http://www.almamater.tv/reads-online/chapter-21-world-history-test-form-a-answer.pdf
- http://www.slader.com/textbook/9780131299719-world-history/
- http://www.slader.com/textbook/9780547491127-world-history-patterns-of-interaction/
- http://classzone.com/books/wh_survey/page_build.cfm?id=quiz&ch=21
- http://classzone.com/books/wh_survey/index.cfm
- http://classzone.com/books/wh_survey/page_build.cfm?&ch=21
- http://uncpbisdegree.com/1/the-genius-of-china-3000-years-of-science-discovery-and-invention.pdf
- http://uncpbisdegree.com/1/shameless-hoodwives-meesha-mink.pdf
- http://riverside-resort.net/1/writing-summary-and-response-papers.pdf
- http://uncpbisdegree.com/1/the-fledgling-hall-family-chronicles-4-jane-langton.pdf
- http://riverside-resort.net/1/zill-differential-equations-solutions-scribd.pdf
- http://uncpbisdegree.com/1/study-guia-fifth-edition-broker-florida.pdf
- http://riverside-resort.net/1/whitewash-to-whitewash-australian-crickets-years-of-struggle-and-summer-of-riches.pdf
- http://uncpbisdegree.com/1/the-gift-imagination-and-erotic-life-of-property-lewis-hyde.pdf
- http://uncpbisdegree.com/1/solutions-manual-for-fundamentals-of-physics-7th-edition.pdf
- http://riverside-resort.net/1/yorkshire-dales-dales-north-wensleydale-and-swaledale-outdoor-map.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://quizlet.com/subject/chapter-21-review-world-history/
- https://quizlet.com/subject/ap-world-history-chapter-21/
- https://study.com/academy/exam/topic/mcdougal-littell-world-history-chapter-21-absolute-monarchs-in-europe.html
- http://www.cram.com/flashcards/world-history-second-semester-chapter-20-chapter-21-903399
- https://www.proprofs.com/quiz-school/topic/world-history
- https://www.proprofs.com/quiz-school/
- https://www.proprofs.com/quiz-school/create-a-quiz/
- https://www.proprofs.com/quiz-school/browse/
- https://www.proprofs.com/quiz-school/topic/history
- https://sites.google.com/a/jpsonline.org/abram-brosseit/us-history/us-history-assignments/ch-21-civil-rights-movement/ch-21-civil-rights-practice-test
- http://go.microsoft.com/fwlink/?LinkID=617350
- http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409
- http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409
- https://go.microsoft.com/fwlink/?linkid=868922
- http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409
- http://go.microsoft.com/fwlink/?LinkID=617297
- https://quizlet.com/subject/chapter-21-review-world-history
- https://quizlet.com/subject/ap-world-history-chapter-21
- https://study.com/academy/exam/topic/mcdougal-littell-world
- https://sites.google.com/.../ch-21-civil-rights-practice-test
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000086fa.bin46fe9139bdc2ca332141f3d1ccd45b858dabc2e44dad25433e59fc7dd277fd8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86FA | 14880 bytes |
font_01_sfnt_off0000b473.bin1c06495575fccbbd3b07d150e326072c7a813a27f80d438ecb005c6c1ba9827b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB473 | 10608 bytes |
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