MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a heuristic indicating it's a lure for free downloads, linking to an SEO redirector. The embedded URL, 'https://leonvi.ru/wix?keyword=kaboom+worksheet+answers', is the primary indicator of this malicious redirection. While no scripts were explicitly extracted, the PDF structure and the nature of the URL suggest an attempt to trick users into visiting a malicious site, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 4
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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/wix?keyword=kaboom+worksheet+answers PDF link annotation
- http://leafester.online/ball_bounce_sport_inc_ashland_ohmatjd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480383/normal_5fe4fb2d0a096.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451954/normal_5ff085a9366e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481673/normal_5fd1e2f4e04c6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392462/normal_5fff98f4afd74.pdfIn PDF document text
- http://flathead.us/gebaloryxgj.pdfIn PDF document text
- http://top-salez.site/fepimedabz9c.pdfIn PDF document text
- http://repovor.22web.org/kennewick_washington_lds_mission_office.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367950/normal_602f796e5eb07.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446490/normal_60197cd90536f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446937/normal_5ff84b2b5d37e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451754/normal_5ff4d9bb752a9.pdfIn PDF document text
- http://particuliers-societegenerale.xyz/clarinet_christmas_sheet_musicj5io4.pdfIn PDF document text
- http://kewisanoxiv.66ghz.com/best_guided_meditation_podcast_for_sleep.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/29490d6e-9e7c-49c5-bbd4-f49d96cfb4a7/keurig_k155_vs_k150.pdfIn PDF document text
- http://megoger.rf.gd/deewana_aisi_deewangi_hd_video_song.pdfIn PDF document text
- https://9f53eded-325d-4e02-8430-7c09bd872488.filesusr.com/ugd/e04405_4ef4ebd1db17466c81a8005377255683.pdf?index=trueIn PDF document text
- http://gokojap.epizy.com/perfect_progressive_tense_worksheet_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2841814-75c6-4b9e-84e6-7763f70c0d80/zeworejanatovaxomek.pdfIn PDF document text
- https://0d555108-1732-4721-8d72-76d747b2053a.filesusr.com/ugd/1b0481_8ef26801db7342c89fc1926cdb7e8f53.pdf?index=trueIn PDF document text
- https://c8070bf9-ed42-4c5d-8eb8-ca35ee70f136.filesusr.com/ugd/d38238_4d332b39952743a1b749a38796bb8d75.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_c04dcfc41fc24229addb37461cf52c73.pdf?index=trueIn PDF document text
- https://356bbf58-84af-4bff-99a9-d03346e46411.filesusr.com/ugd/b5472a_57f74413ca8f4cfa898b0b7e5019f8cd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e386197c-46b9-439c-b2c8-ced1fee810ab/how_to_reset_ice_maker_on_lg_fridge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74fd3155-550d-4c3d-8bd5-b44970b5822f/tuvaxixa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45cef430-b003-4e3b-96db-9c62ba94ced0/gartner_magic_quadrant_data_warehouse_database_management_systems.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_off0000e8e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E4 | 5160 bytes |
SHA-256: daae05731cfbe9db4402e1a47e44150a228148160ade19a509d4090f2407c941 |
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font_01_sfnt_off0000fa55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA55 | 10264 bytes |
SHA-256: 2e0b872af62a4c5ab2d9a3ace0f0d0a229545ef4e866bd51e5912f5d5fa31c2b |
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