MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various PDF files hosted on different domains, suggesting a link farm or distribution network. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this, indicating the PDF is part of a link farm on disposable hosting. While no scripts were explicitly extracted, the nature of PDF exploitation often involves embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://canionglobal.com/FCKeditor/file/nudapofesiraxukemeje.pdf In PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/20336832008.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/dovozizevimokoxo.pdfIn PDF document text
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210908155224.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/vakumo.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/72430840003.pdfIn PDF document text
- https://tahitotfalu.hu/ckfinder/userfiles/files/76694061397.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/39798794572.pdfIn PDF document text
- http://www.urbanwaterways.info/files/97946337914.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/pusofanegelu.pdfIn PDF document text
- http://daithanhnam.com/upload/files/52682515164.pdfIn PDF document text
- http://deauville.ru/files/file/57743286703.pdfIn PDF document text
- http://hb-hospital.com/file_upload/fck_upfile/file/saposiseralovidegezoj.pdfIn PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/3503775568.pdfIn PDF document text
- https://gesema.com/UserFiles/file/xiluzanakitivaz.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614053ab3478e---norififopabipufina.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/21391224205.pdfIn PDF document text
- http://aurora-c.jp/files/files/farusodawarowodulezopi.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/nadije.pdfIn PDF document text
- http://be-now.pl/userfiles/file/funubevilifivi.pdfIn PDF document text
- https://www.nstoplana.rs/ckfinder/userfiles/files/wadaledirigesuwudeg.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/53494341860.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=beautiful+sms+keyboard+themePDF 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_off0000e257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE257 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6E | 11012 bytes |
SHA-256: c431fc6c2989ea8af89309ed8070dcf990fe2e97da55d96c0d1b31f7bada57c2 |
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font_02_sfnt_off0001140b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1140B | 25096 bytes |
SHA-256: ef7282299e578a947733ab38b248e641d7365d7dfeccfe5c628bbc6d53957f31 |
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