MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external links, many of which point to other PDF files hosted on various domains, indicating a potential link farm or distribution network for malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/watebifikom.pdf In PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/xowazabememowakodon.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/28922817668.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/guxukex.pdfIn PDF document text
- https://thebookonpersonaltransformation.com/FCKeditor/file/76182260008.pdfIn PDF document text
- http://nickels.design/ckfinder/userfiles/files/wiponobuxudezej.pdfIn PDF document text
- https://interstudy.net/userfiles/file/nanedevi.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/kenizib.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/jisowirerunebaro.pdfIn PDF document text
- https://esz.jp/img/editor/files/nukitetamu.pdfIn PDF document text
- https://ikincielinmak.com/upload/ckfinder/files/papekite.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/zidajafofod.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210920084818.pdfIn PDF document text
- https://deltaguvenlik.net/userfiles/file/nabimewakuxosa.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/69315349278.pdfIn PDF document text
- http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/22021478117.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/35082752487.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/mifodiladolupixegonajol.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/31741494546.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/88174cc4cdfc26447d800584d0812a1f/65020439040.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/mewuralurugawu.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/kuburekewunakaki.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/xamaxusifaxususodexitiwit.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/ruforatakovi.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/pemenoposugazepufof.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+hide+icon+in+androidPDF 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_off0000db2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2F | 17416 bytes |
SHA-256: db18634c49672f69bb6db64a899e19081d3914711db44c30524442af789f5683 |
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font_01_sfnt_off0001073c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073C | 10332 bytes |
SHA-256: 01b8e4597263eba6f04fdd1efd231f7d1cbd72f7361be35a581e46001256eb08 |
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font_02_sfnt_off00011e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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