MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript. The PDF contains numerous external URIs, suggesting it acts as a link farm or redirection mechanism to facilitate downloads. The presence of JavaScript points towards an attempt to execute code within the PDF viewer, likely to download or redirect to a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://cs-web-design.de/ablage/userfiles/files/mofusiv.pdf In PDF document text
- https://cmflower-kkc.com/ckfinder/userfiles/files/sexoxabovukuderam.pdfIn PDF document text
- http://parquet-cortes.fr/data/Files/nugatoralozatawisokije.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/92966478542.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161469f87529b7---tubupupomutofipipilerebu.pdfIn PDF document text
- https://zenithservicos.com/userfiles/files/9987868856.pdfIn PDF document text
- http://nantong.chinatupai.com/web/js/ckfinder/userfiles/files/nagekufepizo.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/muvaxo.pdfIn PDF document text
- http://shinhwajudan.com/userData/board/file/33683754425.pdfIn PDF document text
- http://ulsantour.com/FileData/ckfinder/files/20210911_A1ED6412AEF120A0.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/bopemakemezu.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/folizatolusurepodip.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/xudixapudibebufomusul.pdfIn PDF document text
- http://exmar.it/foto_fck/file/zijozadelaf.pdfIn PDF document text
- http://thedreams.cz/files/57498650682.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/73172791133.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/50780295926.pdfIn PDF document text
- http://bodemveenweiden.nl/bodem-veenweiden-img/xavabopulafunes.pdfIn PDF document text
- http://asvpp.fr/pdf/2912718798.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161496e39a797d---8387036202.pdfIn PDF document text
- https://lesura.net/userfiles/file/potebunozoviwix.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/41120677463.pdfIn PDF document text
- https://landatur.com/files/galeria/files/difenuz.pdfIn PDF document text
- http://fioredda.com/userfiles/files/8474077867.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/76627492468.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=download+download+minecraft+apkPDF link annotation
- https://lapdonline.org/file/98078151679.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_off0000c561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC561 | 10792 bytes |
SHA-256: 4b1beedc708ffc3882ed7586e2b0bf44a7a7b3ec660c9cd8046854ab53608125 |
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font_01_sfnt_off0000de35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE35 | 17516 bytes |
SHA-256: f00f4a33ca8b7d2c07164a5c846fc7e9316973c330aa0c449c17f3e9156a88be |
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font_02_sfnt_off00010aeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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