MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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://commsoft.nu/demo/ktb/wsmbilder/files/9819761171.pdf In PDF document text
- http://skomi.ru/img/files/file/teravuvuni.pdfIn PDF document text
- http://www.smartusb.info/images/library/File/11603819043.pdfIn PDF document text
- https://hojoairport.com/images/file/30241884358.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/10-08-17-36-30-71.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/83860031006.pdfIn PDF document text
- http://coeb.eu/userfiles/files/9588541426.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/xijeporetoloneketug.pdfIn PDF document text
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/nafapej.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/31756741074.pdfIn PDF document text
- http://carcrome.com/userfiles/file/6960968837.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/89135033778.pdfIn PDF document text
- http://studioindelicato.com/userfiles/files/zasagoroxes.pdfIn PDF document text
- http://jia-longsofa.com/uploadpic/jialong151126/files/202109140312238087.pdfIn PDF document text
- http://w-mill.jp/images/file/gobedaleke.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151a660754fe---56303477018.pdfIn PDF document text
- https://makojudo.pl/zdjecia/fck/file/71465850404.pdfIn PDF document text
- https://lerivagedesmilleetangs.com/caningest/images/file/zimatuwiperigu.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/safozevunofij.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/kaforupuvugasaxuxijeg.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/maxasoxufopidukunanobima.pdfIn PDF document text
- http://detskypohar.cz/upload/file/5275131735.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/97237580251.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/u-9XGpgKpwY/uplcv?utm_term=age+problems+worksheet+with+answers+pdfPDF 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_off0000e52f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52F | 11244 bytes |
SHA-256: 1358cc3ed222db4f5cba022c9cde09fbc18dbd102141921b2b732db26d7c42dd |
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font_01_sfnt_off0000ff00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011712.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11712 | 18464 bytes |
SHA-256: 63a0397e63355e55dc8d4a8d9196bd473b3828e9794c0c7855acce285bae1568 |
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