MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded links, with the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggesting a link farm designed to obscure the true destination. While no scripts were explicitly extracted, the presence of embedded links and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://sk-uralstroy.ru/uploads/files/61906924292.pdf In PDF document text
- https://daynexweb.com/upload/ckfinder/files/7412714836.pdfIn PDF document text
- http://cobmedia.hu/include/zizabotofaxo.pdfIn PDF document text
- http://ariege.proximeo.com/ckfinder/userfiles/files/retamukapupaterazunefa.pdfIn PDF document text
- http://www.siposferenc.hu/html/bilapobapedefij.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/64652604874.pdfIn PDF document text
- http://taxfreepoint.com/file/kuruveroremesom.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/10994671403.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/30528009838.pdfIn PDF document text
- http://ketoanantamhcm.com/uploads/files/gurinikuf.pdfIn PDF document text
- https://maggievanostrand.com/uploads/media/file/filololuzok.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/21ont0v4alq3o1lmrusus5fj0m/figovasusenarixefawilujo.pdfIn PDF document text
- http://abwingsde.com/uploads/files/52289372474.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/49788190610.pdfIn PDF document text
- http://jn-zhsc.com/upload/82868838247.pdfIn PDF document text
- https://acrgruppe.de/userfiles/file/6305693096.pdfIn PDF document text
- https://ducthai.vn/userfiles/file/60403456789.pdfIn PDF document text
- http://gfk-schwimmbad.de/i/File/51279536484.pdfIn PDF document text
- http://kotrackusa.com/fckedit_file/file///20210906_19_51_24.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/zidotipifoxufasivimim.pdfIn PDF document text
- https://kildevangen.dk/files/zoruvejixopijebube.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140154957ce9---11153372659.pdfIn PDF document text
- https://renetravel.ro/images/files/jonunikerowig.pdfIn PDF document text
- http://tele-fonika.pl/upload/file/15811250356.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=viva+video+hack+apk+downloadPDF 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_off0000aef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEF2 | 10460 bytes |
SHA-256: 471e3330030d56e8661b6273d6177af371eb230604a193cc6075ccba620e107a |
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font_01_sfnt_off0000c6a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000deb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB5 | 16948 bytes |
SHA-256: 0cefb1cee53e6d221e39d517461c2024d5fa742a4eadb4d31626010752860bcb |
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