MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm structure. The PDF contains numerous external URIs pointing to disposable domains, suggesting a phishing or redirection scheme. The embedded JavaScript likely facilitates the redirection or exploitation process, contributing to the overall malicious intent of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://pistant.ru/uplcv?utm_term=unabridged+dictionary+pdf PDF link annotation
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/18690298008.pdfIn PDF document text
- https://123natura.com/stockages/files/duzaxavewitijabuxedi.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147c81b439fa---gunolagonasemibabumodoxu.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/37940308650.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/nuvoteb.pdfIn PDF document text
- http://comitatoamiantovelodromo.org/userfiles/file/82911328493.pdfIn PDF document text
- http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/6492131067.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/tovuzug.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/vagutugabokitekukiwoben.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/zifekisuzila.pdfIn PDF document text
- http://townofwinslowin.com/flash/townofwinslowin.com/file/xudevumabesavosobifigope.pdfIn PDF document text
- http://hhoasis.org/app/webroot/img/fck/file/tilojexudipobevasof.pdfIn PDF document text
- http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/fokatejuj.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/tefuxevajujaxigug.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/32999900079.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021090408071770554.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/40586984593.pdfIn PDF document text
- https://franchise-vietnam.com/app/webroot/img/files/pemus.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/fezawujujejidesi.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/88578150815.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/d93c71b372615ee5622ba39c0824898c/29445814875.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/nawezi.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/5501304438.pdfIn PDF document text
- http://n3ss.ro/ckfinder/userfiles/files/45005870974.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/gukolujuraxelaluviwud.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/87691361787.pdfIn PDF document text
- 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_off0000ec7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7A | 10840 bytes |
SHA-256: 1d8c8611315710f8d1718b4fe88697e93a3a618837763c7a1f377dab17edc2d1 |
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font_01_sfnt_off00010533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10533 | 17988 bytes |
SHA-256: 4402359b514a5be504017d5975319e38305f7c0c663c7acad11666828c28578b |
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font_02_sfnt_off0001345f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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