MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious content. The document contains numerous embedded URLs pointing to a link farm hosted on various domains, suggesting a phishing or spam distribution scheme. The presence of a disposable link farm and the nature of the URLs point towards an attempt to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://roseeskin.com/userfiles/file/20210906043709.pdf In PDF document text
- http://aias.pnu.ac.th/ckfinder/userfiles/files/pukinuvebuvev.pdfIn PDF document text
- https://mbbs.hr/files/25696538718.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/jepokupomigevafomeben.pdfIn PDF document text
- http://fbrasil.com/userfiles/file///ledefejeka.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/73827104143.pdfIn PDF document text
- http://namlinhchivietnam.net/userfiles/image/file/47583192112.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161413cc112a0f---85588323204.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/97957f95cc75d32eeacc79283c71cf95/64738659097.pdfIn PDF document text
- http://rrmkaryacollege.org/rrmkarya/userfiles/file/10606044147.pdfIn PDF document text
- http://k12kos.com/ckfinder/userfiles/files/buzivado.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/diwuxakitapure.pdfIn PDF document text
- http://elijasprojekts.lv/files/file/60759471645.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/68454262371.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/sines.pdfIn PDF document text
- http://princeverma.in/uploads/files/85357053745.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/tufuvopokifena.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/wogajigigajadadaxu.pdfIn PDF document text
- http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wuxovelilupepamifigonujur.pdfIn PDF document text
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/78883117212.pdfIn PDF document text
- http://www.pvvc.cz/files/39026630696.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/tuwepipuvawefigoda.pdfIn PDF document text
- http://awards.nl/img/cms/file/sejabe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+cut+audio+from+videoPDF 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_off0000b203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB203 | 16760 bytes |
SHA-256: 8aec6a2a7d7a38fca5fe573bfc13212d8936ec42226e024952ddbac101ec2eb4 |
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font_01_sfnt_off0000dca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f4bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BD | 10564 bytes |
SHA-256: 9ec72f5a6d280a4a75fc29b44ad52e11993fd94b1efd42b43a120bc1505567b4 |
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