MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and is identified as a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 https://smidgel.ru/uplcv?utm_term=normal+heart+rate+of+1+year+old PDF link annotation
- http://jurabos.nl/include/editor/file/72885655521.pdfIn PDF document text
- https://danielfelber.ch/userfiles/file/wimifovodozazoliv.pdfIn PDF document text
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70187046574.pdfIn PDF document text
- http://cga82.com/admin/File/88407209158.pdfIn PDF document text
- https://bcm.es/files/galeria/files/4556886937.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/zegivojarovegokuxe.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/15682514731.pdfIn PDF document text
- https://minlinart.com/archive/upload/files/jokevewome.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/tazopimidi.pdfIn PDF document text
- https://attack.lt/images/files/30765822730.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/54385164585.pdfIn PDF document text
- http://schubert-hh.de/image/file/leduzuxikejaxapinuweku.pdfIn PDF document text
- https://tinhhoaxanh.vn/userfiles/file/puxijipod.pdfIn PDF document text
- https://rajaunited.com/contents/files/jowejimidozezugovolasob.pdfIn PDF document text
- http://www.ezmoving.com/file/zubipafonowusodipil.pdfIn PDF document text
- https://vandolderskb.com/images/usr/18426773554.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/42585937286.pdfIn PDF document text
- https://upaspor.com/resimler/files/13902287984.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/58446677588.pdfIn PDF document text
- http://merrygoldholidays.com/ckfinder/userfiles/files/fawepiteziwo.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/pitazuk.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/refovosu.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/34102359950.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/kitarof.pdfIn PDF document text
- https://rajakeempat.com/contents/files/fomipomofil.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/36800153786.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109081721198700.pdfIn PDF document text
- 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_off0000b649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB649 | 10396 bytes |
SHA-256: 1ed923978a317b0c77ace989e5b3295c96ab30cbcb416eb47621f070c056bb6c |
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font_01_sfnt_off0000cde0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE0 | 17584 bytes |
SHA-256: c94abc0120a31c1a646205fd26c740252f150dcefa42b6f57500f9f73fcfe131 |
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font_02_sfnt_off0000fa25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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