MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, likely designed to redirect users to malicious sites or downloads. The presence of 'utm_term=vmos+download+apk' in one URL suggests a lure for downloading an Android application package.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://1666-3668.com/attach/userfiles/file/joremawilenotosusapesimaf.pdf In PDF document text
- https://tatsolarlight.com/uploads/files/kumovolivuvapamu.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/buvox.pdfIn PDF document text
- http://kehlux.lu/userfiles/files/11877429728.pdfIn PDF document text
- https://essuances.com/ckfinder/userfiles/files/zufoga.pdfIn PDF document text
- http://oa30us.com/userfiles/file/95629630952.pdfIn PDF document text
- http://maxbrio.kr/files/files/17130197755.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/bufuwotijopawanuwupe.pdfIn PDF document text
- http://longbeach.ilovepokebar.com/uploads/files/motinibeferiret.pdfIn PDF document text
- http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/togitifipuf.pdfIn PDF document text
- http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuwafadegugovov.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/juvipujasisegizu.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/korufiras.pdfIn PDF document text
- https://strechybenesov.cz/content/9089866937.pdfIn PDF document text
- https://linardi.ru/files/file/zifosuw.pdfIn PDF document text
- http://adamex.ukrkarta.ua/fckeditor/userfiles/file/sozukuxiluvaxekadug.pdfIn PDF document text
- http://balone.net/_upload/file///gukusuviralegovewu.pdfIn PDF document text
- https://jucariicopilasi.ro/app/webroot/files/userfiles/files/98473865372.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c68e929075---66038228490.pdfIn PDF document text
- https://fokusmedia.com/images/uploads/tolawirisavidawipovasuk.pdfIn PDF document text
- http://stlukesfp.org/ckfinder/userfiles/files/genarusuxusigunobinatij.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/49379031925.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/b0a6faf202b3269e4eae3116b2ec0d85/43474419566.pdfIn PDF document text
- http://hidropro.hu/upload/37522950453.pdfIn PDF document text
- http://acelybio.com/upload/files/zesalejuxariz.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/remopebimoxiwotugim.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=vmos+download+apkPDF 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_off0000d79a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79A | 10276 bytes |
SHA-256: 3071ca5ee367f2fb9186573eae60f2bfaa8013547afe2d9555334b878a227957 |
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font_01_sfnt_off0000eec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC4 | 17868 bytes |
SHA-256: f55184494caa1502b68d5086c379ab4a62f4264742a791819bb7f71c1b2ddccc |
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font_02_sfnt_off00011cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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