MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ML classifiers and ClamAV as a malicious PDF. It contains numerous embedded URLs pointing to various PDF files hosted on different domains, suggesting a link farm or SEO poisoning attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high number of distinct hosts and links, reinforcing the malicious intent of directing users to a network of potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://studiogallerani.it/userfiles/files/91748250914.pdf In PDF document text
- https://journalofcritique.com/ckdosyalari/upload/files/vebifapovilinesagesuba.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/75894687910.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/20172351022.pdfIn PDF document text
- http://ippon.lv/uploads/File/suzadizidefojepidatuval.pdfIn PDF document text
- http://zhymwz.com/upfile/file/23898444801.pdfIn PDF document text
- http://wonderpanel.com/app/webroot/img/file/10535425109.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/sonuka.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307c0e0c0c9---vofabujasowew.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/56774096694.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/53248628237.pdfIn PDF document text
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/68278679951.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/17807337503.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/gubupufaxapudotuzi.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/49155500867.pdfIn PDF document text
- https://www.passion-rnd.com/upfile/files/2021/09/12/60819155544.pdfIn PDF document text
- http://kaie.org/userfiles/file/20210917115130.pdfIn PDF document text
- https://www.area-tlc.com/public/ckfinder/userfiles/files/kogow.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/zomunojilujul.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/565b9031c78bf9ddabab0fabed6872dd/86665328049.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210916181513.pdfIn PDF document text
- http://indigobaby.eu/upload/files/gebovira.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/2993525498.pdfIn PDF document text
- https://kingdom.vn/userfiles/file/72243548735.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/55399395476.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=calculus+6th+edition+by+swokowskiPDF 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_off0000d2bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BD | 18216 bytes |
SHA-256: bc08f8dc96ea561797100b14132d09158ec2e568cc5dbc72f69b24094fda3452 |
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font_01_sfnt_off00010266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10266 | 11100 bytes |
SHA-256: c1a36f7d8fcd3654a92ffb8070b407b3b621ed175fe84f6446d993648a979fb7 |
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font_02_sfnt_off00011c58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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