MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with heuristics identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious activity, potentially leveraging embedded JavaScript for exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://iscyber.com/userfiles/files/sufovimuzapiniliruj.pdf In PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/7d3774a5c80815133710e26c26e452e2/jutakumizubidivaguwibap.pdfIn PDF document text
- https://philly.drinkpoint.com/uploads/files/7581039750.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/fa0d354c969c69b1f1e507aba1ad1402/88757064797.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/zezefadegaseduwaf.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/sinudulawiwamepibab.pdfIn PDF document text
- https://worldcastlive.com/userfiles/file/26202835289.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/modutiwavidigogigubeli.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/35906537124.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/78633685404.pdfIn PDF document text
- https://yumasri.com/assets/ckfinder/userfiles/files/79952899162.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161390a7966178---rajilesu.pdfIn PDF document text
- http://rana-international.com/userfiles/files/73017856801.pdfIn PDF document text
- https://benhgout.net/uploads/Files/file/nelederesuvo.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/21793946851.pdfIn PDF document text
- https://appvid.eus/userfiles/files/14463996253.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/vilumo.pdfIn PDF document text
- https://giorgiosantinelli.it/file/refazilowedurew.pdfIn PDF document text
- http://scouttautomotive.com/editor_uploads/system/files/milusodudejikexegetumof.pdfIn PDF document text
- http://www.sname.org.tw/sname/ckfinder/userfiles/files/puwisubuwoludiwovagem.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/zeselesa.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/pukewovuluwasidado.pdfIn PDF document text
- https://exlite.it/ckfinder/userfiles/files/64428762042.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=versiones+de+google+chrome+para+androidPDF 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_off0000e14f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE14F | 10832 bytes |
SHA-256: 4f5217b10445aeacfbea27ee076a98ff25bde83f379fc830f9214ae0182df575 |
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font_01_sfnt_off0000f9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E9 | 18084 bytes |
SHA-256: 5fa3e4708fb9e4c30cacbaf49632abd79b20e3db643ffc8782a15d4794289b52 |
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