MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm with numerous distinct hosts. The presence of multiple embedded URLs, many pointing to PDF files on disposable domains, strongly suggests a phishing or malware distribution attempt. The document body is heavily obfuscated and likely contains further malicious content or redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://jjkxmy.com/upload/files/202109111619272278.pdf In PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210905_F79283D0D7188342.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/44611462974.pdfIn PDF document text
- https://mackbeks.com/files/file/96087364249.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/17582271307.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/vivezukiridefosunijemiko.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/62254984513.pdfIn PDF document text
- http://realcomfort.ru/content/upload/file/tarupawofazuzezexaluvari.pdfIn PDF document text
- http://margheritango.it/userfiles/file/petok.pdfIn PDF document text
- http://xn--lv0az70cxar.tw/uploads/files/202109040832552374.pdfIn PDF document text
- http://uro-medical.pl/zdjecia/fotki/file/69172461313.pdfIn PDF document text
- http://mebelhotel.ru/images/news/file/57447522183.pdfIn PDF document text
- https://bonekarusa.com/contents/files/79070258083.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/67192521817.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16146ee6f0a940---zefomojodil.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/fuzeperaruxen.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/rovevugif.pdfIn PDF document text
- https://swalaya.in/userfiles/file/33190947550.pdfIn PDF document text
- http://baracenter.be/userfiles/file/mukavelowelinatozupeb.pdfIn PDF document text
- https://olterus.org/contents/files/mawemipirud.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/gowuruzi.pdfIn PDF document text
- http://qwerty.pl/_data/file/darezabunesa.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/16964234048.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/94918708001.pdfIn PDF document text
- http://chamdure.com/DATA/files/5294271713.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=free+keyboard+app+for+android+phonePDF 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_off0000e1bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D4 | 10608 bytes |
SHA-256: e88b8205a2186a1df1eba312f96303b84f81acb160ee882ab7d7745695ade245 |
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font_02_sfnt_off000111b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B4 | 16524 bytes |
SHA-256: 838516c71ffde96e558696bd5776306a7653873bd353ec5dd7e7a2ac1fa52170 |
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