MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to disposable hosting and exhibiting link farm characteristics, strongly suggests a phishing or credential harvesting attempt. The ML classifier and ClamAV detection further corroborate the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://grdr.org/paidel/ckfinder/userfiles/files/40480791540.pdf In PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/27eb10d92c8dd76f8b4a0cb2e57f1385/22188954379.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/8115879421.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/42041312999.pdfIn PDF document text
- http://hasomedia.com/userfiles/file/41744056397.pdfIn PDF document text
- http://gpp300.fr/userfiles/file/82319395872.pdfIn PDF document text
- http://mos-craciun-inchiriere.ro/fckfiles/file/46804172776.pdfIn PDF document text
- http://studiotecnicodama.it/userfiles/files/31340881704.pdfIn PDF document text
- http://mayinluatudong.com/uploads/userfiles/file/54521509735.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/65692783748.pdfIn PDF document text
- http://placidlakes.com/larpm/uploads/file/vizanaliregafur.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/36491015841.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109090749008663.pdfIn PDF document text
- https://faguaflowers.com/images/admin/file/3090637026.pdfIn PDF document text
- http://safarang.com/basefile/files/97388260173.pdfIn PDF document text
- http://parbatsamajjapan.com/img/files/files/56360709737.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/bozujusixolodojinum.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/43167293014.pdfIn PDF document text
- http://csc-vietnam.vn/uploads/userfiles/file/kinuwapesinagokelo.pdfIn PDF document text
- https://webmakler.org/userfiles/file/53384241729.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/64302073396.pdfIn PDF document text
- https://safe-international.com/userfiles/file/gejumosanadevotiwirugiga.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/18088134993.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/nb5oucjb9tj7dtrf1dpgrtj6pe/62921272620.pdfIn PDF document text
- http://siciny.pl/userfiles/file/60045732911.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/32774430239.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=adb+install+windows+10PDF 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_off0000e73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73D | 10388 bytes |
SHA-256: 3a1e1309b8ce96db57998daedbe3209a1261da7ffd9458477d339b2ec51d495c |
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font_01_sfnt_off0000feef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEF | 18048 bytes |
SHA-256: 0b6c5c6dca129975851fe38ae57f8563ac7811edaa90c7190ecc9e505b577952 |
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font_02_sfnt_off00012e2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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