MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns, likely initiated via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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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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://oniceh.ru/uplcv?utm_term=wheel+of+prophecy
- http://zeguvietnam.com/uploads/ckfinder/files/852852932.pdf
- http://hugslock.com/app/webroot/img/files/6961910273.pdf
- http://driver-jazda.pl/upload/file/xexurugomevasixi.pdf
- https://beauti-full.ru/uploads/files/75326392940.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8707370045---12230175370.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2ea06f702---23006532788.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/028af9f0726d85bfd1cd8651ebde7a7c/napedojikoje.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/4bfd15b31333ac4a5f7a763a5cddaa5e/wopibixafojo.pdf
- http://diplomat2014.ru/ckfinder/userfiles/files/68135492143.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16095fb3936468---20143186419.pdf
- http://musorcentrum.hu/files/article/file/garatolepiwuwudomas.pdf
- https://forumhrdbekasi.com/webroot/userfiles/files/bozaxivuwun.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608327813c3f1---4759838362.pdf
- http://statsale.com/data/upload/ck/files/1143480341.pdf
- https://vandolderskb.com/images/usr/gajijija.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/igk2e5kugvq32amtl8aj4itv2j/5700808985.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986f99c3068---28295136367.pdf
- http://tragiaocolamsapa.com/userfiles/image/file/89959863423.pdf
- http://wittlich-luexem.de/userfiles/file/31162993047.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/cfe17dcbecaab78b350e908e4244872d/34574651804.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/03008a19aaad50f6ffd13c537c8e4a98/marazesujenoguxigi.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cefaa73df1---45285527661.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acab3d66f55---74587705415.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/v7fti8723q8ijm5ddf9jai3uig/67313122118.pdf
- http://autohondl.cz/userfiles/file/zereb.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57f6f5f2c2---sunejubajixemanaxisu.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/vm8vvnml72em0sj1p7qgt1rv6b/debalimo.pdf
- http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/delarasitefiju.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_off0000bcdf.binced678e4f57b1b713c202416cb3262e167a4231d87758a2db0e7b93497ccb36a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCDF | 15512 bytes |
font_01_sfnt_off0000e48d.binbe27fe9abcb19ec0286501fec510b7b63594f56251ec01663fec1bace0dc36ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48D | 10060 bytes |
font_02_sfnt_off0000fb16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB16 | 16792 bytes |
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