MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to disposable domains, suggesting a link farm or SEO abuse tactic. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classification indicate a high likelihood of malicious intent, possibly to redirect users to further malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 4
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://zjgyuanhong.com/v15/Upload/file/2021982053298365.pdf In PDF document text
- https://louvre.lv/res/wysiwyg/file/xenirisowugatul.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/57636648081.pdfIn PDF document text
- http://hzkontejnery.cz/ckfinder/userfiles/files/32691292524.pdfIn PDF document text
- http://nhasachconggiao.com/luutru/files/44145699866.pdfIn PDF document text
- http://www.iece.in/userfiles/file/79885739612.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139e88d76c8b---51235262057.pdfIn PDF document text
- http://wellogo.in/userfiles/file///potafimalipi.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/16203590534.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/34257591182.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/2745505775.pdfIn PDF document text
- https://il-gusto.com/images/file/wunorisuforelifog.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/vosudododemozevifogu.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/d3de92784edf5c486a94f29d2ac5aec9/84000747442.pdfIn PDF document text
- http://goldmustang.ru/files/files/21609240862.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/nubonikikegerasokul.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/viburu.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/62907911812.pdfIn PDF document text
- http://naviway.su/upload/files/bibazoluwebixan.pdfIn PDF document text
- https://bahamianbrewery.com/ckfinder/userfiles/files/besoparalaguwixi.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///52818345449.pdfIn PDF document text
- http://graczeonline.pl/userfiles/file/nidulova.pdfIn PDF document text
- http://metafelix.it/userfiles/files/weselozobivolezu.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/84104698501.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/soposifogikexafegiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=miley+twerk+gifPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c74f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC74F | 14956 bytes |
SHA-256: e1abad6ad41d0ea215bedad1c1019633f39fb61f11498d81dff800095624e004 |
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font_02_sfnt_off0000ed1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1C | 10120 bytes |
SHA-256: 59c24534e43f128084c2891a425fff69c534b493e8d2ae94fba6c973a636d9d9 |
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