MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly suggests malicious intent, and the presence of external URIs and link farms points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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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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://queure.ru/uplcv?utm_term=traditional+witch+doctor PDF link annotation
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d78745bde93---87072963562.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae792c6ee8c---pusevarofumimofujidokuxa.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f3dc9dce3---62177425405.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c157c048a---jorotipunisoxal.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/3ecdd822e500a54d1fd98ab2c845ccfd/76379730240.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210505161356.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/nr5lge2lstun2mogp0ot8qf536/70780159948.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160b708c677ebf---81133670659.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/4b4b09f78fc500ccf7da605d90e13870/73605112349.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/c812331b86e539404550ae1050b680c2/82332826177.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/11055504120.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/9bd6d763ff54f967d57356b75bf2ea54/81615877128.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210619_141225.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b299b167d07---durifibitegizusexe.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d1be283f2---46272551413.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/5mc8v17eassvi6lfrbpgerl4c5/kelizozojuviparutazovuzo.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fa1ad6654---24619876911.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/91212344950.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/88409962399.pdfIn PDF document text
- http://bjjiffy.com/upload/puvizabon.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160856db6e0832---23465686403.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/f3lvot2iuo67konkqt2002ueuj/wobomeki.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/zodiwame.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_off0000ef02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF02 | 10216 bytes |
SHA-256: 691cc2475ef287c75bf8399593c0f6b989feda563855d27696bc829d57674f93 |
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font_01_sfnt_off000105d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D2 | 17976 bytes |
SHA-256: 179942aba479e6342748bd5dc67962211383d6a80baba493aa0f5b153f5a3e68 |
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font_02_sfnt_off0001348a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1348A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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