MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, flagged by ML classifiers and ClamAV as malicious. It includes numerous external URIs, many pointing to disposable domains, suggesting a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically indicates a non-clustered link farm on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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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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://lederstuhlshop.de/ckfinder/userfiles/files/jozumiduwapopaz.pdf In PDF document text
- http://pulsarvn.com/media/ftp/file/madunesevilunude.pdfIn PDF document text
- http://marymo.ru/uploads/files/vebuv.pdfIn PDF document text
- http://controldellaves.com/app/webroot/arxius/file/35243200226.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b960edd02f33971dffad8b5090647a89/71873076248.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/51220228806.pdfIn PDF document text
- http://servis-hradec.cz/files/file/fironuga.pdfIn PDF document text
- https://luminex.pl/upload/file/90913016880.pdfIn PDF document text
- http://cobmedia.hu/include/sutafubemobugo.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/82123307848.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/bowojunesijazek.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/70981723512.pdfIn PDF document text
- https://hilanguage-com-tw.triangle-design.com/files/jonagake.pdfIn PDF document text
- http://61kidsclub.com/userfiles/file/45997498858.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/2386925777.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161428969a06e7---pazajo.pdfIn PDF document text
- http://soloparamideco.com/js/new/fckeditor/userfiles/file/buzezenijob.pdfIn PDF document text
- http://noithatmfc.com/media/ftp/file/bilavaba.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/pifito.pdfIn PDF document text
- http://newabel.com/ckfinder/userfiles/files/92276000958.pdfIn PDF document text
- http://dubossari.es-pmr.com/constructor/dubossari/ckfinder/userfiles/files/wumib.pdfIn PDF document text
- http://altera.ukrstroyka.com/content/xuploadimages/file/39865109818.pdfIn PDF document text
- http://bluebossa.pl/files/file/35682358609.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-12/20210912070057719831.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/60277380812.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=rtx+for+mcpePDF 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_off0000c66a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC66A | 10216 bytes |
SHA-256: a55a36dd668dc46afd4dbfcf4a407f04a9851f23083b91c39e1a017ca82bf91f |
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font_01_sfnt_off0000dd68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f57a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57A | 21276 bytes |
SHA-256: 42fe7a61bafb0dea93d175cfe704b5e364b2e103dc9439caa49a3a616905ae5f |
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