MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a high-confidence heuristic indicating it is a phishing lure, specifically using an SEO redirector. The embedded URL, https://leonvi.ru/aws?utm_term=adding+mixed+number+fractions+worksheet, is the primary indicator of this malicious activity. While no scripts were explicitly extracted, the PDF structure and the nature of the URL suggest a phishing attempt designed to trick users into downloading a malicious file or visiting a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 https://leonvi.ru/aws?utm_term=adding+mixed+number+fractions+worksheet PDF link annotation
- https://cdn.sqhk.co/xawodoze/iB4hhid/dragon_racer_2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473892/normal_5fe2a4e4383fd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421629/normal_5fdc4ed2b55b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489588/normal_5faa7b33565ee.pdfIn PDF document text
- https://cdn.sqhk.co/mofekuma/Tgcf3sg/vice_news_breonna_taylor.pdfIn PDF document text
- https://cdn.sqhk.co/kefesizo/RZWqia6/project_manager_jobs_mankato_mn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366668/normal_5fe1a29dea9ee.pdfIn PDF document text
- http://xitigedomure.66ghz.com/bluestacks_3_for_windows_10_pc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/labitajaxatufib/update_android_auto_manually.pdfIn PDF document text
- http://regujivabi.rf.gd/kotizazegigakex.pdfIn PDF document text
- http://notaruk.rf.gd/biodata_format_with_photo.pdfIn PDF document text
- https://s3.amazonaws.com/rozebofukixus/31975747545.pdfIn PDF document text
- http://wigazimo.epizy.com/ariston_gas_boiler_service_manual.pdfIn PDF document text
- https://s3.amazonaws.com/jodabiladezot/handmade_foam_sheet_flowers.pdfIn PDF document text
- https://s3.amazonaws.com/dugibabafod/pesufasanoxefuxuved.pdfIn PDF document text
- https://s3.amazonaws.com/bomupi/pathogenesis_of_viral_hemorrhagic_fever.pdfIn PDF document text
- http://latilofu.rf.gd/delay_and_sum_beamforming_using_matlab.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d0c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C6 | 5756 bytes |
SHA-256: 7d2a2ce3dd749fd44ad2e65a427a73dd0333780128f23445a5f89e3163aba7a1 |
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font_01_sfnt_off0000e44f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE44F | 9944 bytes |
SHA-256: 4513d2999b0db13b3ec88af5082895169e2c19a1ca706d270c16c47520eeec1c |
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