MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, suggesting an attempt to distribute malicious content. The embedded JavaScript likely facilitates the download and execution of a second-stage payload, contributing to the overall phishing and malware distribution goal.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cructi.ru/uplcv?utm_term=youtube+downloader+apk+free+download+for+pc PDF link annotation
- http://webbuilders.com/files/file/zidawi.pdfIn PDF document text
- http://landpas.pl/upload/file/28174239198.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614483fea8d31---64943957966.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/dizemareva.pdfIn PDF document text
- https://oancora.com/ckfinder/files/38160291350.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/kebubo.pdfIn PDF document text
- http://air-ned.com/uploads/files/3668230156.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/75219053398.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16141191e1a0fc---56563097004.pdfIn PDF document text
- https://ckmandarin.com/uploads/lobuvetetanal.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dcf6c6eb9---wevum.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a80c69c7ff---nodotipazi.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210901_10929AD33BF16CBD.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/2868567467.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/mumititivumiletoxugagem.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/7dc6a3069a2311004d7033f9d4985eef/zefavepariduwagawelib.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/tuwurovitosixejul.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/aef1781641ae0e4a86e676f4a9fa5c54/22438180561.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/wipajowan.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/79583863685.pdfIn PDF document text
- https://chinatupai.com/web/js/ckfinder/userfiles/files/vokesuba.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/87694939063.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/1269407710.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d0299c8d---10551520485.pdfIn PDF document text
- http://freeware-software-download.de/uploads/editor/file/sadoganosuvaludu.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_off0000b2d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE5 | 15600 bytes |
SHA-256: 871bd3aecf12a9eac2ad3dc1ba682df9b49a4488aa4de9002d03bf01709cbcb7 |
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font_02_sfnt_off0000f2c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C5 | 10756 bytes |
SHA-256: 58b47ed5e0a1a53d4751e3ce45bb50e0c270702c50fc4b59721749679dd0a40c |
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