MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites, indicating a link farm designed to lead users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d2f17efa5---mawunagumi.pdf
- http://tourister.kr/userfiles/file/47529840822.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/99360209230.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/66tdor6gdmdemu1kd54op7nnlq/wejuruxalijusijerek.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b73f24a84e---rolijagegirepiwav.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b45dd65dd72---36186914769.pdf
- https://djennebeads.com/nbloom/fckuploads/file/gomedaw.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cafba7b28---42424108721.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cac36a759c---56006683039.pdf
- http://proreferee.ru/uploads/ckfinder/files/36638351133.pdf
- https://nadinerogger.ch/userfiles/files/64713739686.pdf
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/87358588722.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/1dthgfcd34sk09o4f0u75i0p4q/34529981315.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/a55c11f028f9f4dc5348b1e8391ff067/dodetax.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da7baa6c3e---42457847261.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091d41d0a0ea---gafaxivifidezinajalisa.pdf
- http://sattosushi.com/uploads/files/dunizefudow.pdf
- http://wisewood50th.com/clients/3/35/35ca2b70ae131fa39667c240906a3fe4/File/noziwakiful.pdf
- http://promocode.lu/userfiles/files/48182551057.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/d7c94c2abbfbf0860e56752cdc63a27f/sixol.pdf
- http://zzweien.com/d/files/61552957946.pdf
- http://baovevietnam-vnss.com/upload/file/99027850845.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=which+state+of+matter+does+not+have+a+definite+shape+or+volume
- 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_off000148b0.bin4a1e5ab907aa52fd34947d7d5b0efaad5fb4d12b2e17739add26ae47070e2500 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148B0 | 11044 bytes |
font_01_sfnt_off0001623b.bin3a0530a60fdd2903609bd0d939f90a18c9ed307247cd6477fbe4e2c05882af40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1623B | 18232 bytes |
font_02_sfnt_off00019248.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19248 | 16792 bytes |
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