MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are part of a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading a secondary payload via the deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://krzczonowice.pl/gfx/file/rotuv.pdf In PDF document text
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/18177822627.pdfIn PDF document text
- http://indago-rovigo.it/userfiles/files/7451501562.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139edd2eb6c7---febovatixubixukisene.pdfIn PDF document text
- http://sinorarechem.com/upload/files/tefoxug.pdfIn PDF document text
- https://egf.tw/test2/images/file/77670352357.pdfIn PDF document text
- http://qdxqw.com/uploadfile/file/4730437746.pdfIn PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/98576581749.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/14925727266.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/janemurasobu.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021091303025573499.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/lisexaweg.pdfIn PDF document text
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/ridisiwulozoketoberepif.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/juvamopowo.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/xefilefowutexisi.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/lixojibijun.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/1197333584.pdfIn PDF document text
- https://cplastik.eu/data/cms/file/borexegalaxifosexom.pdfIn PDF document text
- https://www.pessin-location.fr/ckfinder/userfiles/files/17456216993.pdfIn PDF document text
- http://gemculture.com/userfiles/file/10610314449.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/lotaxajarinebako.pdfIn PDF document text
- https://susta.vn/userfiles/file/jijerukebiwepewemazuki.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/lurusizapufotidut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=samsung+s7+edge+flash+filePDF 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_off0000d485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD485 | 10708 bytes |
SHA-256: 2b36dec019754783852c985be99f6940c60df6e88758651c77a34c4252b8a5ce |
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font_01_sfnt_off0000ecab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BD | 18612 bytes |
SHA-256: cdc8d9c9d64552f8a473e9d93f1e3c1e2434536ac2861dc7bab41e177c457a87 |
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