MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed to host numerous links on disposable domains, suggesting a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://skinct.com/upload_file/file/Fl202109010705566011.pdf In PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/rexap.pdfIn PDF document text
- https://kompaspt2.com/contents/files/13078806578.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/16474898178.pdfIn PDF document text
- http://yksskj.com/ckfinder/userfiles/files/56810892905.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/kudosegujokufojufunapuk.pdfIn PDF document text
- http://northmarking.com/userfiles/files/93823778424.pdfIn PDF document text
- https://questyme.com/userfiles/file/26470575108.pdfIn PDF document text
- https://eltechma.com/zdjecia/fck/file/94474308649.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613043f5889ff---65999999580.pdfIn PDF document text
- https://polandpools.com/contents/files/5479842929.pdfIn PDF document text
- http://zaiger.ru/img/file/32469280927.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/37427675812.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/tuwobabowopo.pdfIn PDF document text
- http://oecschool.com/userfiles/file/faxed.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/87190090963.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/97377858309.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/6f2f2da8bad62764e2305067279edf6e/kaxabikorabigiwuvilafonol.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/9995614227.pdfIn PDF document text
- http://allasclub.com/campannas/file/rupalunuwunopepel.pdfIn PDF document text
- http://unitez.net/images/newtech/files/2600736124.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/2251077593.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091408470414.pdfIn PDF document text
- https://nenmongdangquang.com/upload/files/5792544134.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=android+phone+slow+chargingPDF 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_off0000b5b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B4 | 10760 bytes |
SHA-256: 2cab98b8d12f3b8d68d25db2cca33e504892e930ddefd45d495b48a1cebfef05 |
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font_01_sfnt_off0000ce37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE37 | 16504 bytes |
SHA-256: a92b5a71814a81fa82ea627cd68c070b5547c66e3d326fd91336f97fcc6f0d6b |
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font_02_sfnt_off0000f8b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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