MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://hkbca.org/UploadFiles/file/20210903043146127.pdf In PDF document text
- http://onlinecommerce.bg/uploads/pages/files/sedemoxoto.pdfIn PDF document text
- http://www.mustwalge.ee/data/content/files/ziwebejawixuxefanigis.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/dedipulutegotukaroja.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613250dc6da99---50927367405.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/45025842585.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/47909596651.pdfIn PDF document text
- https://comillaspostgrado.es/userfiles/file/4969410075.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/7519206559.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/logudelilanutisidabojodu.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/70699508691.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/73802085320.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/verozasufewo.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/nelumobob.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/13659782529.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/kajalemomori.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/bijokefefexolunafi.pdfIn PDF document text
- http://jtravel.clickis.kr/FileData/ckfinder/files/20210901_D4ABA3C2ED6011FC.pdfIn PDF document text
- http://slovoveri.org/userfiles/dimiwelebujuvamuwuxasub.pdfIn PDF document text
- https://kawanmto.org/contents/files/30740090034.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/fepuwov.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613148d89023d---91132155440.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/siretadisak.pdfIn PDF document text
- http://cga82.com/admin/File/8632614138.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=bedtime+stories+for+5+year+olds+pdfPDF 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_off0000e0aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8BC | 18112 bytes |
SHA-256: cc155379bb63e215c4b2d6688462fe754e53ecb2bd89bf2fd1c7f0ed2538d5cc |
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font_02_sfnt_off000127e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127E9 | 10856 bytes |
SHA-256: e4e72447c31b134ba4109f0ebc24877b1face2235fe6e704c78e1186b54fd6df |
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