MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or credential harvesting campaign. The embedded JavaScript likely serves to redirect the user or download additional malicious payloads.
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://drafthe.ru/uplcv?utm_term=lycoming+o-320-e2a+overhaul+manual
- https://profesa.net/userFilesfile/70793868664.pdf
- https://birotex.rs/images/files/xidagamulexovuta.pdf
- http://paradisoseminatrici.it/userfiles/files/31633772639.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/545be22304167c632f6cd406b49e728c/xulevuwanos.pdf
- http://hz-kontejnery.cz/ckfinder/userfiles/files/nikuxadozabalisuzi.pdf
- https://allcreaturesinc.com/files/files/60919507701.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/uft5j5k36nc5fplj0l9dp46etk/wajujigeweg.pdf
- http://dhf-china.com/d/files/14118399745.pdf
- https://gastriklandsbf.se/UserFiles/files/96523862867.pdf
- http://titibbs.xyz/js/ckfinder/userfiles/files/gepewuladugid.pdf
- http://lafenicealcamo.it/userfiles/files/61616885592.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/ab0e058bda58437aaaa36fdf9b57e39c/xizorekufipezazomexasag.pdf
- http://akinmedikal.com/uploads/file/mamavavurutidazanajin.pdf
- http://innersolutions-uk.com/file/62328112195.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/1585b87902276f2c950af28fc7096459/19586140159.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/74efc4c0c733d55c3349bf4e052582fd/24418955614.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/19896372793.pdf
- http://massageindex.nl/images/uploads/36208676730.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16123bab978f02---tinifeva.pdf
- https://fertilizergranulatorprice.com/d/files/wujob.pdf
- http://cesnek-vysocina.cz/UserFiles/File/lizapafukeroran.pdf
- http://firegallery.ru/img/upload/dovadufadav.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b12d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12D | 16792 bytes |
font_01_sfnt_off0000c944.bin231086b8bc791e9249b1907c13b24c26cc5f4086cb37eb6658cf67b94c75dbd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC944 | 11096 bytes |
font_02_sfnt_off0000e309.bin21a0a54b096dfe99d9aaa45c64590eee7bdfacdfdbd6f729a736a7a20530e5e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE309 | 16072 bytes |
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